WebTeach: an Integrated Web-based Cooperative
Environment for Distance Teaching
Franco Bagnoli
Fabio Franci
Andrea Sterbini
Dipartimento di Energetica
University of Florence
Via S. Marta, 3 I-50139
Firenze, Italy
Dip. di Sistemi e Informatica
University of Florence
Via S. Marta, 3 I-50139
Firenze, Italy
Dip. Scienze dell’Informazione
University of Rome 1
Via Salaria, 113 I-00198
Roma, Italy
bagnoli@dma.unifi.it
fabio@dma.unifi.it
sterbini@dsi.uniroma1.it
✂✁☎✄✝✆✞✁✠✟✡✁☞☛✍✌✎✌✞✏✝✁✒✑✔✓✠✕✗✖✘✓✡✙✗✚✜✛✢✟✤✣✥✟✤✌✞✁✠✦✒✧✗★☞✩✝✆✡✆✞✁✠☛✪✌✞✫✬✣✭✩✮✟✡✁✰✯✢✱✲✌✎✌✞✏✮✁✴✳✎☛✝✵
✶✸✟❉✷ ☛✮★✠✁✠❀❊✁☞✦✺✆ ✷ ✄❋☛ ❀✸✶✺✟✡✁✰✹ ✯❍✱✸★☞●✪✩✮✣■✫✬✌✻✣✪✌✞✏✝✧✍✆✞✼✽✁✠☛✁❏✷✿✄✮✾ ✁☞✱❂✆✞✆✡✟✌✞✷ ✟✠✌✻❑▲✣✢✑✔❀✸❁ ✓✠✹ ✕❊▼◆✫✿❀❂✛✝✆✞✁✠✓✞✚✜☛✮❖P★✠✧✘✁✸✧✮✱❘❃❄◗❙✌✜✱✸✁✠✫✬●✔✣✪❅✎✯✮❆❇✱✲✌✜✏✮✱✸✁❈●✮✟✤✱✸✣✝✟✡✟✤✁ ✌✞✁☞☛✝✦ ✵
✌✞✷ ✁❚✆✡❁❯✱✸★☞✁❱❁❲❀✸✆■✌✞✁✠✟✤✌■✦■✱❂☛P✱ ✶ ✁✠✦✺✁✠☛✪✌✰❳✒✑✒✓✠✕✗✖✘✓❚❨✞❩❚✧✽✱❬✦❭✩✮✫✬✌ ✷ ✄✮✫✿✁☞✵❄★✜✏✮❀ ✷ ★☞✷ ✁✠✟
✩ ✁✠☛✮✁☞✆✜✱✲✌ ❀❊☛✔✟✤✣✥✟✤✌✞✁✠✦❛✱✸☛✮✯❜✑✔✓✠✕✮✑▲❝✜❞❡❩❢✓❊✧❋✱✢★✠❀✸✫❴✫❴✱❂●❋❀✸✆✜✱❂✌ ✷✿✾ ✁✭◗❇✁✠●
✄✝❪ ✩✮✷❴●✝❫❵✫ ✷ ✶ ✟✡✏ ✷ ☛ ✶ ✌✞❀✪✷ ❀❊✫❯❅
ABSTRACT
✒✑ ✓✠WEBCHECK
✕❊▼◆✛✮✓✡✚✜❖ ✟✎✩✮✟✡✁✰✯❘❁❲❀✸✆❣✦■✱✸☛✮✱ ☛ ✟✡✩✮●✝✟✡★☞✆ ✄✝✌ ❀❊☛✝✟✎✌✞❀✽✌✞✁✠✟✤✌✞✟❤✱✸☛P✯
✄✝✩✮●✝✫ ✷ ★✰✱✲✌ ✷ ❀❊☛✐❀❂❁❇✷ ✆✞✁✠✟✡✩✮✫✬✌✞✟✠❅■❃❄✌✭✱✸✫✿✫✿❀✲✶❊◗✴✷ ✟✭✶ ✌✞✁✰✱✸★✜✏✮✁❚✆✞✟❥✷ ✌✞❀✒✷ ❀✸✆ ✶ ✱✸☛ ✷✿❫ ✁■✁☞❦✝✱❂✦
✟✡✁☞✟✡✟ ✷ ❀✸☛✮✟❉✱✸☛✮✯▲✟✤✌✞✩✮✯✝✁✠☛✪✌✞✟❙✌✞❀✭★✠❀✸☛✮✟✡✩✮✫✬✌☎✌✞✏✝✁✽✆✞✁✠✟✡✩✝✫✿✌✞✟☎❀❂❁◆✌✞✏✝✁ ✷ ✆❇✌✞✁✠✟✤✌✞✟☎●✪✣
✱✭◗❇✁✠● ✷ ☛✪✌✞✁☞✆✡❁❡✱✸★✠✁❊❅
❆❇✏ ✟❵✌✞❀✪❀✸✫ ✟❵●P✱❂✟✡✁✰✯❧❀✸☛♠✱♥✟✡✁❚✌❘❀❂❁☎✄❋✁☞✆✞✫✴♦✬♣☞q❣✟✡★☞✆ ✄✝✌✞✟ ☛✪✌✞✁☞✆✜✱✸★☞✌ ☛
◗ ✷ ✌✞✏r✷ ✱❂☛ts✮✉❥✈✇✷ ✵❢✯✝✱❂✌✜✱✸●✮✱✸✟✡✁✔♦ ①✲q❙◗✴✏✮✁☞✆✞✁▲✱✸✫✿✫❙✯✮✱❂✌✜✱✔✱✲✆✞✷ ✁■✟✤✌✞❀✸✷ ✆✞✁✰✯✘❅❱❆❇✷ ✏ ✷ ✶ ✟
✫✿✁✰✱✸✯✝✟❭✌✞❀ ❀✪❀✍✯r✄❋✁❚✆✡❁❡❀✸✆✞✦■✱❂☛✮★✠✁ ☛t✱✸★✠★✠✁☞✟✡✟ ☛ ☛✥❁❡❀✸✆✞✦■✱✲✌ ❀❊☛t✱✸☛✮✯♠✱
★☞✁☞✆✡✌✜✱ ✷ ☛r✫✿✁ ✶ ✾ ✁✠✫❣❀✸❁✴✆✞❀❊●✝✩✮✟✤✌✞☛✮✁☞✟✡✟❭❀✸✷ ❁✴✌✞✏✝✁▲✟✤✣✥✟✤✷ ✌✞✁✠✶❧✦✒✷ ❅✔❆❇✏✮✁☞✆✞✁▲✷ ✱❂✆✞✁■✌✞✏✝✆✞✁☞✁
★☞✫②✱❂✟✡✟✡✁✠✟❏❀✸❁❤✩✝✟✡✁☞✆✞✟ ✷ ☛③✑✔✓✠✕❊▼◆✛✝✓✞✚✜❖P❑❉✱❊✯✥✦ ✷ ☛ ✷ ✟✤✌✡✆✜✱❂✌✞❀✸✆✞✟✠✧❋✌✞✁✠✱✸★✜✏✮✁☞✆✞✟❈✱✸☛P✯
✟✤✌✞✩✮✯✝✁✠☛✪✌✞✟✠❅
④ ✯✝✦ ☛ ✟✤✌✡✆✜✱✲✌✞❀✸✆✞✟▲✏P✱ ✁✒❁❡✩✝✫✿✫❥✄❋❀✰◗❇✁☞✆✞✟❍✱✸☛P✯⑤★✠✱✸☛⑤✆✞✁ ✟✤✌✞✁❚✆✔❀✸✌✞✏✝✁☞✆
✱✸✯✝✦ ✷ ☛ ✷ ✟✤✷ ✌✡✆✜✷ ✱✲✌✞❀✸✆✞✟✠✧✮✌✞✁✠✱✸★✜✏✮✾ ✁☞✆✞✟❉✱✸☛✮✯❧⑥❡◗✴✏✝✁✠☛✒☛✮✁☞✁✰✯✝✁✰✯✮⑦❙✟✤✌✞✩P✶✸✯✥✷ ✁✠☛✪✌✞✟✠❅
④ ❁❲✌✞✁☞✆❘✏P✱ ✾✍✷ ☛ ✶ ✱✸✟✡⑧❊✁✰✯✂✌✞❀❱✱✸☛r✱✸✯✝✦ ✷ ☛ ✷ ✟✤✌✡✆✜✱❂✌✞❀❂✆❭✌✞❀❱●❋✁✺✆✞✁ ✶❊✷ ✟✤✌✞✁☞✆✞✁✠✯
✷ ☛✪✌✞❀✐✁✠☛❱✌✞✏✮✱✸★✠✁❱✱❊✟✤✯✝✣✥✁☞✟✤✦ ✌✞✁✠★❥✦✒✣✗✧✴✁✰✌✞✱❂✁✰✆✰✱❂✧P★❚✱✸✏✝★☞✁☞✌ ✆✞✟♥✱❂✏✮✌✞✁❵✱ ✾ ✱❭✁✔✌✞✌✞✁✠❀r✟✤✌❉✱✸❁❡★☞❀❂✌ ✆❥✷✿✾ ✱ ✱❂✌✞✁❬✱♠✁✠☛✔★✠★✠❀❊❀✸✩✥✩✝✆✞✟✡✆✞✁❬✟✡✁❊❁❲✧P❀✸✱✸✆❍☛P✯✱
✶✸✁ ✷✿✾ ✁✠☛✪✌✞✩P✱❂✫❴✫✬✣■✄✝✩✮●✮✷ ✫ ✟✡✏✺✌✞✏✮✁❉✆✞✁✠✷✿✟✡✾ ✩✮✫✬✌✞✟❇❁❡❀❂✆✴✱ ✁✠☛■✌✞✶✸✁✠✟✤✷✿✾ ✌✰❅❤❆◆✁✰✱❂★❚✏✝✁☞✆✞✟☎★✰✱✸☛
✱❂✾✫✿✟✡❀✺✁☞❦✍✌✡✆✜✱✸★☞✌❉★✠✩✝✦❭✷ ✩✮✫❴✱✲✌ ✷❴✾ ✁✽✆✞✁✠✄❋❀❂✆✡✌✞✟❉❁❲❀✸✆❉✶✸✁✰✷✿✱✸✾ ★✜✏✒★✠❀✸✩✝✆✞✟✡✁❊❅
✹ ✆✞❀❊✦❛✱✢✟✤✌✞✩P✯✥✁✠☛✪✌✰⑨ ✟✴✄❋❀ ✷ ☛✪✌✽❀✸❁ ✾✍✷ ✁☞◗❜✌✞✏✝✁❥⑩✮✆✞✟✤✌❉✌✞✏ ✷ ☛ ✶ ✌✞❀✺●❋✁❘✯✥❀❊☛✝✁
✷✱❂✟❶✟✡✟✆✞✁ ✶✸☛✮✷ ✟✤✁✠✌✡✯❭✆✜✱✲✱✴✌ ✷✩✮❀❊☛ ☛❷❅❤✩✮❃❢☛❘✁ ✌✞✯❏✏✮✁❙☛✍✩✮✼❈✦❭☛ ●❋✷✿✾ ✁❚✁❚✆✰✆✞✧✰✟ ◗✴✷ ✌❢✏✣❵★❚❀✸✏ ❁ ✹ ✟❸✫✿❀❂✩✝✆✞✟✡✁✠✁✰☛✮✯❵★✠✱✸✁✸✟◆✧✪✁✰✌✞✱✸✏✝★✜✁ ✏✢✯✝✟✤✌✞✁✠✩✮☛✪✯✝✌ ✁✠❁❲✣☛✪✌ ☛ ✷ ✟
✷✿✶
✷❪ ✷
✷ ✷
✷ ✷ ✷ ✶
✷✌✞✯ ✏✮✱❂✷ ☛❘✌✎❁❲❀❊✆✞✩✝✁☞✟✡✆❣✏✮✯✝✦✺✱❂✌✜✁✠✱✸☛✇●✮⑨✗✱✸✯✝✟✡✱❂✁❊✌✜❅❸✱❥❹❈✱✲❀✰✆✞◗❇✁☎✁✁✠✾☛✪✁☞✌✞✆✰✁☞✆✞✧ ✁✰✷ ☛❘✯ ✌✞☛❭✏✝✁❇✌✞✏✝✄P✁❇✱❂✟✤★✠✌✎✁✠☛✪✣✪✌✡✁✰✆✜✱❂✱✸✆✞✫✮✟❶✯✮◗❙✱✲✁✴✌✜✱✸✯ ●P✷ ✟✡✱❂★✠✟✡❀ ✁☎✾ ◗ ✁☞✆✞✁✰✌✞✏✯
✱✭★✠✁☞✆✡✌✜✱ ✷ ☛♥✯✝✁☞✫②✱✠✣✪✧✍✟✡❀✭✌✞✏P✱❂✌❣✌✞✏✮✁✽☛✮✁☞◗❺✷ ✟✤✌✞✩✮✯✝✁✠☛✪✌✞✟❣★✰✱✸☛✝☛✮❀✸✌❙✆✞✁ ✶❊✷ ✟✤✌✞✁☞✆☎✷❁❲❀✸✆
✌✞✏✝✁ ✷ ✆◆⑩✝✆✞✟✤✌❸✁☞❦✝✱✸✦ ✷ ☛✮✱❂✌ ✷ ❀❊☛✝✟✠❅✎❻❍❀✸✆✞✁☞❀ ✾ ✁☞✆✰✧✲◗❇✁❣◗❙✁☞✆✞✁❣✱✸✟✡⑧✗✁✰✯❥✌✞❀✴✦■✱✸☛✮✱ ✶ ✁
✱❂✫✿✟✡❀❏✄✝✆✞✁☞✵❄✁✠☛✪✌✡✆✜✱✸☛✝★✠✁❙✌✞✁✠✟✤✌✞✟✠✧ ✷ ❅ ✁✸❅❊✌✞❀❏✯✥✁✰✱✸✫✍◗ ✷ ✌✞✏✢✩✮✟✡✁☞✆✞✟✎✁☞❦✍✌✞✁☞✆✞☛✮✱✸✫✪✌✞❀❈✌✞✏✝✁
★☞✁✠☛✪✌✡✆✜✱✸✫❷✯✮✱❂✌✜✱❂●P✱❂✟✡✁❊❅
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SEKE2002 SOFTWARE ENGINEERING AND KNOWLEDGE ENGINEERING
Ischia, ITALY July 15-19
Copyright 2001 ACM X-XXXXX-XX-X/XX/XX ... 5.00.
❼
❃✻☛❧❀✸✆✜✯✥✁☞✆❵✌✞❀✔✯ ✟✤✌✡✆ ●✮✩✥✌✞✁❭✌✞✏ ✟✭✱❊✯✥✦ ☛ ✟✤✌✡✆✜✱❂✌ ✁✢✌✜✱✸✟✡⑧❋✧❷◗❇✁✺★✜✏✮❀❊✟✡✁
✌✞❀✒✫✿✁☞✌❵✌✞✁✰✱❂★❚✏✝✁☞✆✞✟❵✁✠✷ ☛✪✌✞✁☞✷ ✆❵✟✤✌✞✩P✯✥✁✠☛✪✷ ✌✞✟✠⑨❷✆✞✁ ✶✸✷ ✷ ✟✤✌✡✷ ✆✜✱❂✌ ✷ ❀❊✷✿☛✇✾ ✧✎✁ ✷ ✌✞✏✮✁☞✆✭❀❊☛✝✁✺✱❂✌❘✱
✌ ✷ ✦✺✁❵⑥❡❁❡❀✸✆❇✁☞❦✝✱✸✦✺✄✮✫✿✁✴★✠❀✸✫❴✫✿✁✠★❚✌ ✷ ☛ ✶ ✌✞✏✝✁ ✷ ✆ ✷ ✯■✯✝✩✝✆ ✷ ☛ ✶ ✫✿✁✠✟✡✟✡❀✸☛✮✟✜⑦❣❀❂✆❇✦■✱❂✟✤✵
✟ ✁✠✫✬✣❘✱❂❁②✌✞✁☞✆❇✱✴✌✞✁✠✟✤✌❤✩✮✟ ☛ ✱❈✟ ✦✺✄✮✫✿✁❙✌✞✁☞❦✍✌❶⑩✮✫❴✁✸❅❤❻❍❀✸✆✞✁✠❀ ✁❚✆✰✧❊◗❇✁☎✩✝✟✡✁✰✯
✌✞✏✮✷✿✾ ✁✽✩✮☛ ✷ ❪ ✩✝✁✴⑩✮✟✡★✰✱✸✫✘★✠❀✍✯✥✷ ✁❭✶ ⑥❽✱❂✟✡✟ ✷✷❴✶ ☛✮✁✰✯■✌✞❀❘✁ ✾ ✁☞✆✡✣✥●❋❀✍✯✥✣✺●✪✣❘✾ ✌✞✏✮✁❈❃❄✌✜✱✸✫ ✷ ✱✸☛
✶ ❀ ✾ ✁❚✆✞☛✮✦✺✁✠☛✪✌❚⑦❵✱✸✟■✱✸☛❾✱✸✫✬✌✞✁☞✆✞☛✮✱❂✌ ✷✿✾ ✁ ✷ ✯✥✁✠☛✪✌ ✷ ⑩✮★✰✱❂✌ ✷ ❀✸☛ ✷ ✯✇❅ ④ ❁❲✌✞✁☞✆✺●❋✁❚✵
✷✆✞☛ ✁ ✶ ✟✤✱✸✌✞✩✥✁❚✌✞✆✽✏✮❁❲✁✠❀✸☛✪✆✽✌ ✷ ✱❘★✰✱❂✌✞✌✞✁✠✁✠✟✤✯✇✌✰✧✮✧✥❀✸✱❵✆✴✟✤✆✞✌✞✁✰✩P✱❊✯✝✯■✁☞☛✍✌✞✌❣✏✮✁❏★✰✱❂★✠☛♥❀❂✆✡✁✰✆✞✯ ✁✠✷ ✟✡✌❇✄❋✏ ❀❊✷ ☛✮✟✜✯❿✲✏✮☛ ✁☞✆☎✆✞✄❋✁✠✁❚✟✡✆✞✩✮✟✡✫✬❀❊✌✞☛P✟✠✱❂❅ ✫✇✯✮✱❂✌✜✱✍✧
✶✸❃✻✷☛t★✰✱❂✟✡✁❬❀❂❁❏✫❴✱✸✟✤✌▲✦ ☛✍✩✝✌✞✁▲★❚✏✮✱✸☛ ✁ ☛❾✌✞✏✮✁❍✟✡✷ ★❚✏✝✶ ✁✰✯✝✩✝✫❴✁✠✯t✌✞✁✠✟✤✌✞✟✺❀❂✆
✟✡❀❊✦✺✁☎❀❂✌✞✏✮✁☞✆ ✷ ✦✺✄❋❀✸✆✡✌✜✱❂☛✍✷ ✌ ✷ ☛✥❁❡❀✸✆✞✦■✱✲✌ ✶✷ ❀❊☛✢✷ ✌✞❀❏●❋✁☎●✝✆✞❀❊✱❊✯✥★✰✱✸✟✤✌✞✁✰✯✘✧✗✌✞✁✰✱❂★❚✏✥✵
✁☞✆✞✟❇★✠✱✸☛▲✟✡✁✠☛P✯✺✁✠✦■✱ ✷ ✫✮✦✺✁✠✟✡✟✞✱ ✶ ✁✠✟❇✌✞❀❵✟✤✌✞✩P✯✝✁☞☛✍✌✞✟❣✩✮✟ ✷ ☛ ✶ ✌✞✏✮✁✽✱❊✯✝✯✥✆✞✁✠✟✡✟✡✁☞✟
✷✯✝☛✮✁☞✟✡☛✍✁☞✌✞✆✡✟✴✌✞✁✠✱✲✯❍✆✞✁❏●✪☛✮✣■❀❂✟✤✌ ✌✞✩P⑩✮✯✝✁✰✯✒✁☞☛✍✱❂✌✞✟❉✟❇✌✞✟✡✏✝❀✪❀✸✁✠✦✺☛❱✟✡✱✸✁✠✟☎✫ ✾ ✌✞✁✠✏✮✟✠✁❚❅❸✣♥❃✻☛❍✁☞☛✍★✠✌✞✱✸✁❚✟✡✆☎✁❏✌✞✏✮❀✸❁✎✁❥☛✝✟✤✣✥❀✢✟✤✱✸✌✞✁✠✯✮✦✒✯✥✆✞❅ ✁☞✟✡✟✠✧✮✟✤✌✞✩✥✵
❆❇✏✮✁❚✆✞✁ ✷ ✟❷☛✮❀☎✷ ✟✡✩✮✄❋✁❚✆ ✾✥✷ ✟✡✁✰✯❥★✜✏✮✁☞★❚⑧✽❀❊☛❵✯✮✱✲✌✜✱❇✟✤✌✞❀✸✆✞✁✰✯ ✷ ☛❥✌✞✏✮✁✎✯✝✱❂✌✜✱❂●P✱✸✟✡✁✸✧
✟ ☛✮★✠✁❣◗❇✁☎✩✮✟✡✁❇✱✸☛✢✱❂✄✮✄✥✆✞❀✗✱✸★✜✏❭●✮✱✸✟✡✁✰✯❵❀❊☛❧➀✻★✠❀✸✦✺✦❭✩✝☛ ✌✻✣❥✆✞✁☞✄✮✩✝✌✜✱✲✌ ❀❊☛✮➁✥✧
◗✴✷ ✏ ✷ ★✜✏ ✷ ✟❙✆✞✁✠✱✸✟✡❀❊☛✮✱✸●✝✫✿✣▲✁✠☛✥❁❡❀❂✆✞★✠✁✰✯♥●✪✣❘✌✞✏✮✁ ✷ ✯✥✁✠☛✪✌ ✷ ⑩✮★✰✷ ✱❂✌ ✷ ❀✸☛▲✆✞✁ ❪ ✩✝✁✠✷ ✟✤✌✞✁✰✯
◗✴✏✮✁☞☛✒✫✿❀ ✶❊✶✸✷ ☛ ✶✺✷ ☛✪✌✞❀❭✌✞✏✮✁❥✟✤✣✥✟✤✌✞✁✠✦✒❅
➂❉✁✠★✠✁✠☛✪✌✞✫✬✣✪✧✝◗❙✁❏✏P✱ ✁❵✱✸✯✝❀❊✄✥✌✞✁✰✯✒✱✢★✠❀✪❀✸⑧ ✁❚✵❢●✮✱✸✟✡✁✰✯✔✱❂✩✝✌✞✏✝✁✠☛✪✌ ★✠✱❂✌ ❀❊☛
✦✺✁☞✌✞✏✝❀✍✯❬◗ ✷ ✌✞✏✂✌ ✷ ✦✺✁☞✾ ✵❽✌ ✷ ★❚⑧✗✁❚✌✞✟✠✧❸✱✲✌✭✌✞✏✝✁✺✫✿✁ ✾ ✷ ✁✠✫❤❀✸❁❇✌✞✏✝✁✺✏✪✌✡✌✞✄✘✯❬✷ ✟✡✁☞✆ ✾ ✷ ✁☞✆✰❅
❆❇✏ ✷ ✟✢✄❋✁❚✆✞✦ ✷ ✌✞✟✭✌✞❀❧✩✝✟✡✁▲✌✞✏✝✁➃✑✒✓✠✕❊▼◆✛✮✓✡✚✜❖t✱❂✩✝✌✞✏✝✁✠☛✪✌ ✷ ★✠✱❂✌ ✷ ❀❊☛t✦✺✁✠★✜✏P✱❂✵
☛ ✷ ✟✡✦➄
❁❡❀❂✆✺✱✸☛✪✣❬◗❇✁✠●t✱❂✄✮✄✮✫ ★✰✱✲✌ ❀✸☛❷❅❬❃✻☛♠✄✮✱❂✆✡✌ ★✠✩✝✫②✱✲✆✰✧ ✌ ✟❭✩✮✟✡✁✠✯✐●✍✣
✑✒✓✠✕✮✑♥❝✜❞❡❩❢✓❊✧P✱❂✟ ✷ ✫✿✫✿✩✮✟✤✌✡✆✜✱✲✌✞✁✰✷ ✯ ✷ ☛❍✷ ✌✞✏✮✁❈☛✮✁☞❦✍✌✴✟✡✁✠★☞✷ ✌ ✷ ❀✸☛❷❅ ✷ ✷
❆❇✏✮✁ ✷ ✦✺✄✮✫✿✁✠✦✺✁✠☛✪✌✜✱✲✌ ✷ ❀✸☛✺❀✸❁❵✑✒✓✠✕❊▼◆✛✮✓✡✚✜❖ ✷ ✟❣✆✜✱✲✌✞✏✮✁☞✆❙★✠✫❴✱✸✟✡✟ ✷ ★❊❑❣✱❥◗❇✁✠●
✷✄✝☛✪✆✞✌✞❀❊✁☞✱✸✆✡★✜❁❯✱❂✏ ★✠✁✺✟✭✌✞✌✞❀❱✏P✱✲✱✒✌✺✯✮✱✸✱✲☛✪✌✜✣✂✱✸●P★❚✱❂✏✮✟✡✱✸✁❊☛❅✔❆❇✁ ✏✝☛✐✁▲✯✥✌✞✏✝✆✜✱✠✁❍◗✴✯✝●P✱❂✱❂✌✜★❚✱✸⑧❬●✮✱✸❀✸✟✡❁☎✁▲✌✞✏✟✤✌✡✷ ✆✞✟✭✩✮⑧ ★☞✷✌✞☛P✩✥✯❧✆✞✁♥❀❂❀❂❁❉✆ ✱✸✄✥☛ ✵
✌✞✏✮✁✴❁❲✆✞❀✸☛✪✷✌✡✵❢✁☞☛P✯✢✆✞✁ ❪ ✩ ✷ ✆✞✁✠✟❙✱✭★✠✶ ✁❚✆✡✌✜✷ ✱ ✷ ☛❍✱❂✦✺❀❊✩✝☛✍✌❣❀✸❁✽➀ ❪ ✩✮✱✸✫ ✷ ⑩P✁✰✯✥➁✭◗❙❀✸✆✞✷⑧❋✧
✌✞✏P✱✲✌✴★✰✱✸☛✝☛✮❀❂✌✽●❋✁❵✯✥✁✠✫✿✁ ✶ ✱✲✌✞✁✰✯♥✌✞❀❭✌✞✁✠✱✸★✜✏✮✁☞✆✞✟❵⑥❯❀✸✆❉✟✤✌✞✩✮✯✝✁✠☛✪✌✞✟✜⑦❚❅
✐✁❉✌✞✏✮✁☞✆✞✁❚❁❡❀✸✆✞✁❥✯✝✁✠★ ✯✥✁❈✌✞❀❘★☞❀❊☛✮✟ ✯✥✁☞✆❉✱❘✦✺❀❂✆✞✁✽➅P✁❚❦ ●✝✫❴✁❈✱✸✄✝✄✝✆✞❀✗✱❂★❚✏✇✧
●P✱❂✟✡✁✰✯❾❀✸☛❾✌✞✏✝✁❍ ✷ ⑧ ✷ ✷ ✷ ⑧ ✷ ✐✁☞●❜♦✷ ➆❂q✽★✠❀✸☛✮★✠✁✠✄✥✌✰❅➇✑✒✷✓✠✕✮✑♥❝✜❞❡❩❢✓ ✷ ✟▲✱✸☛
⑥❽✱❏✄P✱❂✆✡✌ ★✠✩✝✫❴✱❂✆☎ ⑧ ✵
✷ ✦✺✄✮⑧ ✫✿✁✠✐✁✦✺✠✁✠●P☛✪⑦❚✌✜✧✥✱✲◗✴✌ ✷ ❀✸✏ ☛✺★❚✏❍❀✸❁❷✱✸✌✞✄✮✏✮✄❋✁✽✁✠❆❙✱❂✆✞✟✴✱✸✷ ⑧ ✟✴✷ ✱✭♦ ➈❂◗❇q❷✁✠✟✤●▲✣✥✟✤✟ ✌✞✁✠✌✞✦➉
✁❥◗✴✏✮✁☞✆✞✁❏✱❂✷ ✫✿✫❷✄✮✱ ✶ ✁☞✟☎★✰✷ ✱✸✷☛
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●❋✁✐✁✰✯ ✷ ✌✞✁✰✯❜✩✝✟ ✷ ☛ ✶ ✱t✟ ✷ ✦✺✄✝✫✿✁✐✟✤✣✥☛✍✌✜✱✲❦✘✧❈✆✞✁✠✟✡✁✠✦❘●✮✫ ✷ ☛ ✶ ✁☞✵❄✦■✱ ✷ ✫❏✌✞✁☞❦✍✌✰❅
❻❍❀✸✆✞✁☞❀ ✁☞✆✰✧✍⑩P✫✿✁✠✟❙★✠✱✸☛■●❋✁❈✱❂✄✮✄❋✁✠☛✮✯✝✁✰✯❭✌✞❀❵✄✮✱ ✁☞✟❙✫ ⑧✗✁✽✁❚✵❢✦■✱ ✫❋✱❂✌✡✌✜✱❂★❚✏✥✵
✦✺✁✠☛✪✌✞✟✠✧✮✾ ✱✸☛P✯❍✌✞✏✝✁☞✆✞✁ ✷ ✟❈✱ ✾ ✁☞✆✞✟ ✷ ❀✸☛ ✷ ☛ ✶ ★✠❀✸☛✪✌✡✆✞✶ ❀❊✫❸✟✤✣✥✷ ✟✤✌✞✁✠✦✒❅♥✑✔✷ ✓✠✕✮✑▲❝❚❞❲❩❢✓
✷ ✟❇✩✮✟✡✁✠✯■❁❲❀✸✆☎✄✝✩✮●✮✫ ✷ ✟✡✏ ✷ ☛ ✶ ✯ ✷ ✯✮✱✸★❚✌ ✷ ★❈✦■✱❂✌✞✁☞✆ ✷ ✱✸✫✘✱❂☛P✯✢◗ ✷ ✫✿✫✇●❋✁☞★✠❀❊✦✺✁✴✌✞✏✮✁
✶ ✁☞☛✮❆◆✁☞❀✸✆ ✄ ✷ ★ ★❥✷ ☛✍★✠❀✸✌✞✁❚☛✍✆✡✌✞❁❯✁☞✱✸☛✍★☞✌✞✁☞✟❇✵❄✦■✱❂✆✞✱✸✁❥☛P✟✤✱ ✌✞✶❊❀❂✷ ✆✞☛ ✁✰✶ ✯♥✌✞✱❂❀✪✟❇❀❊✫◆✌✞✁☞❀❂❦✍❁❸✌❇✌✞⑩P✏✮✫✿✁✐✁✠✟✠✑✒✧✝✱❂✓✠✫❴✕✗✫✿❀✰✖✘◗ ✓✡✙✗☛ ✚✜✛❍✌✞✟✤✏✝✣✥✟✤✁❈✌✞✩✝✁✠✦✒✟✡✁❥❅ ❀✸❁
☛✮❀❂✆✞✦■✱✸✷ ✫❶✼✽➊❈❃✻➋③✌✞❀✪❀✸✫❴✟❵✫ ✷ ⑧✗✁ ✶ ✆✞✁✠✄❬✌✞❀♥✄❋✁☞✆✡❁❡❀❂✆✞✦➌✟✡✁✰✱✲✆✞★❚✷ ✏✝✁✠✶ ✟✠✧❸➂❉➍☎s✒❁❡❀❂✆
✾✁✠✫✿✁☞✁✠✆✞✦✺✟ ✷ ❀✸✁✠☛✪☛✔✌✞✟❵★✠❀❊✱✲☛✪✆✞✌✡✁✺✆✞❀❊⑧✗✫❸✁✠✱✸✄✝☛P✌✭✯✒✱✲✌✭✟✡❀■✦ ❀✸☛❷☛ ❅☎✦❭❃❢☛✒✩✮✦✒✌✞✏✮❑✽✁❵✁✠✟✡✦✺❀❊✄✝✩✥✆✞✏P★✠✱✸✁❏✟ ⑩P✁✠✫✿✁❏✯❬✌✞✌✞✏✮✁☞✁❏❦✍✌ ❁❡❀❂✆✞✟❵✦■✟ ✱❂✦✺✌✡✌ ✄✝✷ ☛ ✫✬✣✶
✟✡✩✝✆✡✆✞❀✸✩✮☛✮✯✝✁✰✯✂●✪✣✂✱✸✟✤✌✞✁☞✆ ✷ ✟✡⑧✍✟❭✷ ❀❂✷ ✆❭✩✝☛P✯✥✁☞✆✞✟✡★✠❀✸✆✞✁☞✟♥✷✿⑥❽❫ ✱❂☛♠✁☞✵❄✦■✱ ✷ ✫❙✷ ★✠❀✸✷ ☛ ✾ ✁✠☛✝✵
✌ ✷ ❀❊☛P⑦❚✧✮●✝✩✮✫✿✫✿✁☞✌✴✫ ✷ ✟✤✌✞✟❉✱✲✆✞✁❏✦■✱❂✆✞⑧✗✁✰✯■●✪✣✺◗✴✏ ✷ ✌✞✁✠✟✡✄✮✱✸★✠✁✠✟☎❁❲❀❊✫✿✫✿❀✲◗❙✁✰✯✒●✪✣♥✱✸☛
✱✸✟✤✌✞✁❚✆ ✷ ✟✡⑧✒✱✸☛P✯❍✱✢✟✡✄P✱✸★☞✁❊✧❋✼❈➂✽✈❷✟❉✱✲✆✞✁❉➎✻✩✮✟✤✌✽✄✮✫❴✱ ✷ ☛✮✫✬✣♥◗☎✆ ✷ ✌✡✌✞✁☞☛❷✧❋✱❂☛P✯✒✟✡❀
2. WEBWRITE
❀✸☛❷❅ ④ ✩✝✌✞✏✮❀❂✆✞✟✢✱✲✆✞✁✒✱✸✫✿✫✿❀✰◗❇✁✰✯➃⑥❯●✮✩✥✌✺✯ ✷ ✟✡★✠❀✸✩✝✆✜✱ ✶ ✁✰✯✮⑦❘✌✞❀❧✩✝✟✡✁♥❹❈❆✴❻✒✈
❁❲❀✸✆✞✦■✱✲✌✡✌ ✷ ☛ ✶ ❅
❈✩✝✆ ☛ ✌✞✏✮✁ ✟✡✩P✱❂✫ ✱❂✌ ❀❊☛✐✄✝✏P✱❂✟✡✁❊✧❷✌✞✏✝✁❭✌✞✁☞❦✍✌ ✟❏✁✠✫❴✱✸●❋❀❂✆✜✱❂✌✞✁✰✯ ☛
❀❂✆✜✯✝✁☞✆♥✷ ✌✞❀♠✶ ❁❡❀✸✆✞✦■✾✍✱✲✌✷ ✷ ✌✒✷❴✱✸❫ ✟❍❹❈✷ ❆✴❻✒✈❤✧ ✷ ☛✝✟✡✁☞✆✡✌ ✷ ☛ ✶ ●❋❀❊✷ ✫❴✯✇✧ ✷ ✌✜✱✸✫ ✷ ★✠✟✠✧❏●✝✩✮✷ ✫✬✵
✫✿✁☞✌✭✫ ✷ ✟✤✌✞✟✠✧❶✏✪✣✥✄❋✁☞✆✞✫ ✷ ☛✝⑧✍✟✠✧❸✁☞✌✞★❊❅▲❆❇✏✝✁☞✆✞✁ ✷ ✟❏✌✞✏✮✁✢✄❋❀✸✟✡✟ ✷ ● ✷ ✫ ✷ ✌❢✣✐❀✸❁ ✷ ☛✝✟✡✁☞✆✡✌✡✵
✷✩✝☛ ✟✡✶ ✁☞✆✰➀✤⑨ ✟❇✯✥✣✥☛P☛✮✱❂✦✺✱✸✦ ✁✴✷ ❀✸★✠✆❇➁✢✌✞★✠✏✝❀✸✁✽✦✺✯✝✦■✱❂✌✞✱✸✁❉☛✮✯✝❀✸❁✇✟❙✌✞✌✞✏✮❀ ✁✽✷ ☛✮✯✮★☞✱✠✫❴✣✪✩✮✧✪✯✝✱❂✁❏☛P❀❂✯✺✌✞✟✡✏✮❀✭✁☞✆✴❀❊☛❷✌✞❀❊❅❸✄ ❃✻✷ ☛■★❊✧ ✄P✷ ✱✲☛✮✆✡✟✡✌ ✁☞✆✡★☞✌✴✩✮✫❴✌✞✱❂✏✝✆✰✁ ✧
◗❙✁✠● ✷ ☛✮✯ ✷ ★✠✁✠✟❉✱❂✆✞✁❏✄✝✫❴✱ ✷ ☛❍✄✮✱ ✶ ✁☞✟❉★☞❀❊☛✪✌✜✱ ✷ ☛ ✷ ☛ ✶ ➎✤✩✝✟✤✌✽✱❭✯✥✣✥☛✮✱✸✦ ✷ ★❈✷ ★✠❀✸✦✢✵
✦■✱❂☛P✯✘❅❍❆❇✏✝✁✢✌✞✁☞❦✍✌ ✟❏✌✞✏✝✁✠☛✐✁✠✦❘●❋✁✰✯✮✯✥✁✰✯ ☛✪✌✞❀✔✱❍✌✞✁✠✦✺✄✝✫❴✱❂✌✞✁❊✧❷◗✴✏ ★❚✏
❁❲✩✝✆✞☛ ✷ ✟✡✏✝✁✠✟✽✌✞✏✝✁❵✱✸✄✝✄✝✆✞✷ ❀❊✄✥✆ ✷ ✱❂✌✞✁❬➀✻✟✡⑧ ✷ ☛✮➁ ✷ ☛✮★✠✫✿✷ ✩✮✯ ✷ ☛ ✶ ●✝✩✝✌✡✌✞❀❊☛✝✟☎❁❡❀✸✆❈☛P✱ ✷ ✾ ✵
✱❂✌ ❀❊☛✇✧❶✟✡✁✰✱❂✆✞★✜✏✮✁☞✟✠✧◆✁✰✯ ✌ ☛ ✧◆✁☞✌✞★❊❅❭❆❇✏✮✁❭✌✞✁✠✦✺✄✝✫❴✱❂✌✞✁✠✟❏✱✲✆✞✁❥➎✤✩✝✟✤✌❥✌✞✁☞❦✍✌
⑩✮✷✿✶ ✫✿✁✠✟☎✷ ◗ ✷ ✌✞✏❍✟✡✁ ✾ ✁☞✆✜✱❂✫❸✯✥✣✥☛✮✷ ✱✸✷ ✦ ✶ ✷ ★❈★✠❀✸✦✺✦■✱✸☛✮✯✝✟✠❅
⑤✏✮✁✠☛❱✁✰✯ ✌ ☛ ✧◆✱▲✟ ✦✺✄✮✫✿✁✭✌✞✁☞❦✍✌❏✱❂✆✞✁✠✱▲◗ ✌✞✏❧✌✞✏✝✁❘✟✡❀✸✩✝✆✞★✠✁ ✟❥✄✥✆✞✁☞✵
✟✡✁☞☛✍✌✞✁✠✯✇✧✎✟✡❀✒✌✞✷ ✏P✷ ✱✲✌❘✶ ✌✞✏✝✁■✱✸✷ ✩✥✌✞✏✮❀✸✆ ✷ ✟❭☛✝❀✸✌❘✯ ✷ ✟✤✌✡✆✜✷ ✱✸★❚✌✞✁✰✯♠●✍✣❱❁❲❀✸✆✞✦■✷ ✱❂✌✡✌ ✷ ☛ ✶
✌✜✱ ✶ ✟✠❅❧❆❇✏ ✷ ✟✭❁❯✱ ✾ ❀✸✆✞✟❵❁❡❀✪★☞✩✮✟ ✷ ☛ ✶ ❀❊☛♠★✠❀✸☛✪✌✞✁✠☛✪✌✞✟✭✆✜✱✲✌✞✏✮✁☞✆✭✌✞✏P✱❂☛✐❀❊☛r✱❂✄✝✵
✄❋✁✠✱❂✆✜✱✸☛✝★✠✁❊❅
✳❤✱✸★✜✏❜✌✞❀✸✄ ✷ ★✐★✰✱❂☛❜●❋✁✂★✠✫❴✱✸✟✡✟ ✷ ⑩P✁✰✯❜●✍✣⑤✦✺✁✰✱✸☛✝✟✒❀✸❁❭✟✡✁ ✾ ✁☞✆✜✱❂✫❘★✰✱✲✌✞✁☞✵
✶ ★✠❀✸✟✠✆✡❅✽✣ ❆❇✷ ☛P✏✝✯✁✭✷ ★✠✟✤✌✞✁✠✩✮✟✠✧✇✯✝✁✠✁❊☛✪❅ ✶ ✌❉❅✿✧✇★✰✱❂✫✿✁✠☛✒✟✡✟✡⑩P❀❊☛P☛✇✯♥✧◆★✠✏ ❀✸✩✝✟✜❿❂✆✞✟✡✏✝✁❊✁☞✧✇✆❈✄✥◗❇✆✞✁☞✱✰✆✞✣♥✁ ❪✌✞✏✝✩ ✆✞✷ ✟❀✸✷ ✩ ✌✞✁✠✟✠✏✒✧❋✌✞✆✞✏✝✁✠✫❴✁❵✱❂✌✞✯ ✁✠✯❱✯✮✱❂✌✞★☞❀✸✌ ✄✝★ ✵
✦■✷ ✱✲✌✞✁☞✆ ✷ ✱✸✫P●❋❀❂✌✞✏✺●✪✣✢✯✥❀ ✷ ☛ ✶ ❁❡✩✝✫✿✫✿✵❽✌✞✷ ✁☞❦✍✌❣✟✡✁✰✱❂✆✞★✜✏✮✁☞✟❙❀✸✆❣●✪✶ ✣❘❁❲❀❊✫✿✫✿❀✰◗ ✷ ✷ ☛ ✶ ✌✞✏✝✷ ✁
★✠✱❂✌✞✁ ❀✸✆✡✣❬✫ ☛✝⑧✍✟✠❅❭❆❙ ⑧ ✱❂✫❴✫✿❀✰◗✴✟✭✱ ✁❚✆✡✣✔✁✰✱✸✟✤✣❬✯✥✁☞⑩P☛ ✌ ❀✸☛❧❀❂❁❇☛✝✁☞◗
★✠✱❂✌✞✁ ✶✶ ❀✸✆ ✷ ✁✠✟✠❑✷ ✷ ✌ ✷ ✟✽✟✡✂✩ ✁✺✷ ★ ✷ ✷ ✁✠☛✪✌✴✌✞❀■✁✰✯ ✷ ✌✽✾ ✱✺✄P✱✲✆✡✌ ✷ ★☞✩✮✫❴✱❂✆✽✄P✱ ✷ ✶ ✷ ✁❘✱✸☛P✯❍✱❊✯✮✯
✌✞✏✝✁☎☛✮✁☞◗r✌✞✁☞✆✞✦✒❅ ④ ◗❙✁✠●✢★✰✱❂☛✢★✠❀❊☛✪✌✜✱ ✷ ☛❭✦❭✩✮✫✬✌ ✷ ✄✮✫✿✁☎★✰✱✲✌✞✁ ✶ ❀❂✆✡✣❭✟✡★✜✏✮✁☞✦✺✁✠✟
✱❂✄✮✄✝✫ ★✰✱❂●✮✫✿✁❙✌✞❀✽✱❇✌✞❀❊✄ ★❊❅❶❆❇✏ ✟❶✱✸✫✿✫✿❀✰◗✴✟✎●❋❀✸✌✞✏✭✱✴✆✞❀✸✩ ✏❵❁❲❀✸✆✞✦ ❀❂❁✝◗❙❀✸✆✞⑧✪✵
➅✮❀✰◗ ✷ ✱❂☛P✯✒✱✭⑩P☛✮✁❚✆✴★✠✫❴✱✸✷ ✟✡✟ ✷ ⑩P★✰✱✲✷ ✌ ✷ ❀❊☛❱❀✸❁❶✁✠✱✸★✜✏❍✌✞❀❊✄ ✷ ★✸❅ ✶
④ ✫✿✫✴✌✞❀✸✄ ★✠✟✺★✰✱❂☛ ✏✮✱ ✁♥⑩P✫✿✁✠✟■✱✲✌✡✌✜✱✸★✜✏✮✁✰✯✘✧ ❅ ✁❊❅❺✩✝✄✮✫✿❀✗✱✸✯✝✁✰✯♠✌✞❀❧✌✞✏✝✁
✟✡✁❚✆ ✾ ✁☞✆✰❅❤❆❇✏ ✷ ✷ ✟❤✦■✱✸⑧✗✁☞✟❣✟ ✾ ✷ ✦✺✄✮✫✿✁☎✌✞✏✮✁✴✯ ✷ ✟✤✌✡✆ ✷ ●✝✩✝✌ ✷ ✷ ❀❊☛✺❀❂❁❷✯ ✷ ✯✮✱❂★☞✌ ✷ ★✽✦■✱✲✌✞✁☞✵
✆ ✷ ✱❂✫❽❅❣❆❇✏✝✁❈✩✮✄✝✫✿❀✗✱❊✯✥✁✰✯✢⑩P✫✿✁✠✟❣★✰✱✸☛▲●❋✁✽✫ ✷ ☛✮⑧❊✁✰✯ ✷ ☛▲✌✞✏✝✁❉✌✞❀✸✄ ✷ ★❉✌✞✁❚❦✥✌✰✧❊✌✞✏✥✩✝✟
✱❂✫✿✫❴❀✰◗ ☛ ✌✞✏✝✁ ☛✮★✠✫✿✩✝✟ ❀✸☛❭❀❂❁ ✦■✱ ✁☞✟✜❿❂✦❭✩✝✫✬✌ ✷ ✦✺✁✠✯ ✷ ✱❉⑩✮✫❴✁☞✟ ✷ ☛✭✌✞✏✮✁❣✄P✱ ✶ ✁
✟✡✏✝❀✰◗✴☛❷✷ ❅ ✶ ✷ ✷ ✷ ✶
❆❙ ⑧ ✱❂✫❴✫✿❀✰◗✴✟✢✌✞✏✮✁▲✯✥✁☞⑩P☛ ✌ ❀✸☛t❀❂❁❥✱❂★✠★✠✁✠✟✡✟❘✆ ✏✪✌✞✟✺✱❂✌❘✌✞✏✮✁■✫✿✁ ✁✠✫
❀❂❁✴✟ ✷ ✌✞✁❊✷✧◆◗❙✷ ✁✠●✝✵❽◗ ✷ ✯✝✁■✱❂☛P✯✂✱✲✌✭✟ ✷ ✷ ☛ ✷ ✶ ✫✿✁✺✄P✱ ✶ ✁✺✫✿✁ ✾ ✁☞✫❽✷❴❅♥✶ ❆❇✏✝✁✺❆❙ ✷ ⑧ ✷ ✱❂✾ ✩✝✵
✌✞✏✝❀✸✆ ✱✲✌ ❀✸☛❱✦✺✁✠★❚✏✮✱✸☛ ✟✡✦ ✆✞✁✠✫ ✁✠✟✽❀❊☛✒✌✞✏✮✁❵✟✡✁☞✆ ✁☞✆❍☎➀ ✄❇✱✸✟ ★✠➁♥✱✸✩✥✌✞✏✮✁✠☛✥✵
✌ ✷ ★✰✱✲✌ ✷✿✷ ❫ ❀❊☛✂✷ ✟✡★✜✏✮✁☞✦✺✁❊❅❈✂✁✷ ✭✆✞✁✠✄✝✫❴✱✸✷ ★✠✁✰✯✔✌✞✏ ✷ ✟✽✦✺✁✠★❚✏✮✾ ✱✸☛ ✷ ✟✡✦❛●✪✷✣❱✱■★✠✩✮✟✤✌✞❀✸✦
✏✮✱✸☛✮✯✝✫✿✁☞✆❇●✮✱✸✟✡✁✰✯✺❀✸☛▲★☞❀✪❀❊⑧ ✷ ✁❥✱✸☛✮✯✢✌✞✏✮✁✔✑✔✓✠✕❊▼◆✛✝✓✞✚✜❖✺✯✮✱✲✌✜✱✸●✮✱✸✟✡✁❊✧ ✷ ☛■❀✸✆✡✵
✯✥✁☞✆✴✌✞❀ ✷ ☛✪✌✞✁ ✶ ✆✜✱✲✌✞✁❥✌✞✏✮✁❈✌❢◗❇❀✺✟✤✣✥✟✤✌✞✁✠✦✺✟❇◗ ✷ ✌✞✏✮❀✸✩✝✌❉✁ ✾ ✁✠☛▲✌✞❀❊✩✝★❚✏ ✷ ☛ ✶ ✌✞✏✝✁
❆❙ ✷ ⑧ ✷ ✟✡❀❊✩✥✆✞★✠✁✠✟✠❅
❆❇✏✮✱✸☛✝⑧✥✟✇✌✞❀ ✌✞✟❷❁❲✆✞✁☞✁☞✵❄✟✡❀✸❁❲✌❢◗☎✱✲✆✞✁☎✱✸✄✝✄✝✆✞❀✗✱❂★❚✏✇✧✲◗❇✁❤✯✝✁✠★ ✯✥✁✰✯✇✧ ☛❵✱✸★☞★✠❀✸✆✡✵
✯✝✱✸☛✝★✠✁❇◗ ✷ ✌✞✏❭✌✞✏✮✷ ✁✴❆❙ ✷ ⑧ ✷ ✯✥✁ ✾ ✁✠✫✿❀✸✄✮✦✺✁✠☛✪✌❶✄❋❀✪❀✸✫❽✧❊✌✞❀❏✯✝✁✠✷ ✟ ✷✿✶ ☛■✱ ✷ ✶ ✁✠☛✝✁☞✆ ✷ ★
✄✝✫✿✩ ☛ ✝④ ✆ ❃❙⑥❡◗✴✏ ★❚✏ ✟❤☛✮❀✰◗t✄P✱✲✆✡✌❤❀✸❁✇❆❙ ✷ ⑧ ✷ ⑦❶✌✞✏✮✱❂✌❤✄❋✁☞✆✞✦ ✷ ✌✞✟❸✌✞❀❏✟✡✁☞✵
✫✿✁✠★❚✌ ✶❊✷❴✾ ✷ ✁✠✫✬✣ ✷ ☛✮★☞✫❴✩✮✯✝✁❏✷ ☛✝✁☞✷ ◗ ❁❡✁✰✱✲✌✞✩✝✆✞✁✠✟✠❅
➍❙✩✥✆✡✆✞✁✠☛✪✌✞✫✬✣✪✧❧✑✒✓✠✕✮✑♥❝✜❞❡❩❢✓ ✦✺✄✝✫❴✁☞✦✺✁✠☛✪✌✞✟♥✄✝✫❴✩ ☛✮✟▲❁❡❀❂✆❱✦■✱✸☛P✱ ☛
✈✟✞❚❆ ✳ ➋✐❁❲✆✜✱ ✶ ✦✺✁✠☛✪✌✞✟ ✷ ☛❥✌✞✏✮✁❶✌✞❀✸✄ ✷ ✷ ★❤✌✞✁❚❦✥✌✰✧✸①✠ ✱❂☛P✯❏✶❊➆✡✷ t✄✝✫✿❀✸✌✞✟✠✧✲✌✞✏✝✆✞✁✰✱✸✶❊✯✝✷ ✁✰✯✶
✯ ✷ ✟✡★✠✩✮✟✡✟ ✷ ❀❊☛✝✟❈✱❂☛P✯✒✱❘★✰✱✸✫✿✁✠☛✮✯✮✱❂✆❉❀❂❁ ✷ ✦✺✄❋❀✸✆✡✌✜✱✸☛✪✌✴✁ ✾ ✁✠☛✪✌✞✟✠❅
✌✞✏✮✁☞✦✺✟✡✁✠✫ ✾ ✁✠✟✠✧✎❀✸❁✴✆ ✷✿✶ ✏✪✌✢✱✸☛P✯✂◗☎✆✞❀✸☛ ✶ ✱✸☛✝✟✤◗❇✁☞✆✞✟✠❅ ④ ✶ ✆✞❀❊✩✝✄ ✷ ✟✢★✠❀❊✦✢✵
✄❋❀❊✟✡✁✠✯⑤●✍✣t✏✝❀❊✦✺❀ ✶ ✁✠☛✮✁☞❀❊✩✮✟ ❪ ✩✮✁☞✟✤✌ ✷ ❀✸☛✮✟❱⑥❯✟✞✱✸✦✺✁❱✯ ✷ ✁✺★✠✩✮✫✬✌❢✣P⑦❚✧ ✶ ✁✠☛✮✁❚✆✡✵
✱❂✌✞✁✠✯❜●✪✣❺✏P✱❂☛P✯ ❀✸✆❬✯✍✣✝☛✮✱✸✦ ✷ ★✰✱❂✫❴✫✬✣❺❁②✆✞❀❊✦ ✱r✌✞✁✠✦✺✄✮✫❴✱❂✌✞✁❧✩✮✟ ✷ ☛ ✶ ✌✞✏✮✁
❆◆✁✠✦✺✄✝✫❴✱❂✌✞✁❏❆◆❀✪❀✸✫✿⑧ ✷ ✌❘♦ ☛✲q◆✌✞❀✪❀✸✫❯❅
❃✻☛✢✌✞✏✝✁✴✄✝✆✞✁✠✟✡✁✠☛✪✌✞✫✬✣■✯✥✁ ✁✠✫✿❀❊✄ ☛ ✁☞✆✞✟ ❀❊☛✇✧✪✌✞✏✮✁❉✯✮✱✲✌✜✱✸●✮✱✸✟✡✁ ✟❣✟✡✄❋✁✠★ ✵
⑩P✁✠✯✢●✍✣✢✱✸☛✺➋❥❻✒✈❍⑩P✫✿✁❊✧✪◗✴✾ ✏ ✷ ★✜✏■✷ ★✰✶❵✱✸☛✺✾ ●❋✁ ✷ ✶ ✁✠☛✝✁☞✆✜✱❂✌✞✁✠✯■✟✤✌✜✱✲✆✡✌ ✷ ☛ ✶ ✷ ❁❲✆✞❀✸✦ ✷ ✱
✟✈ ✞☞❆ ➋③✟✡❀✸✩✝✆✞★✠✁❊❅❥❆❇✏ ✟❏✱❂✫❴✫✿❀✰◗✴✟❵✱✺✦❭✩✝★❚✏✔✁✰✱❂✟ ✁☞✆❏★✜✏✮✁✠★✜⑧ ☛ ❀✸❁❙✟✈ ✞☞❆ ➋
✟✤✣✥☛✪✳ ✌✜✱❂❦■✌✞✏P✱❂☛❍✟✤✌✜✱❂✆✡✌ ✷ ✷ ☛ ✶ ✯ ✷ ✆✞✁✠★☞✌✞✫✬✣▲❁❲✆✞❀✸✦➉✱❂☛❍➋❥✷ ❻✒✈✂✟✡❀❊✩✥✷ ✆✞★✠✶ ✁❊❅ ✳
❆❇✏✮✁✒✱✸★☞✌✞✩✮✱✸✫✽✌✞✁☞✟✤✌ ✷ ✟▲✯✥✁☞⑩P☛✝✁✰✯t●✪✣❾✱✂✟✡✄❋✁✠★ ✷ ⑩✮★✰✱❂✌ ✷ ❀✸☛ ⑩P✫✿✁❊✧☎◗✴✏ ✷ ★✜✏
✷✌✞✟✭✏✮✁✔✱♥☛✍✌✞✁☞✩✝❦✍✦❭✌❏●❋⑩P✁☞✫✿✆❭✁✺❀✸✟✡❁ ✄❋✁✠★ ✩✮✷ ❁②✁✠✣ ✟✤✷✌ ☛ ❀✸✶ ☛✮✌✞✟✺✏✮✌✞✁❭❀✐✌✞❀❂●❋✌✜✁✔✱✸✫❣✟✞✱✸☛✥✦✺✩✝✦❭✄✝✫✿●❋✁✰✁☞✯t✆❈❁②❀✸✆✞❁❉❀❊✦ ✯ ✌✷ ☞ ✁✰✁❚✱✸✆✞★✜✁✠✏ ☛✪✌❏✆✞✌✞❀❊✁✠✟✤✩✮✌✞✄✇✟✠✧✧
✱✸☛✮✯✒✱❭☛✍✩✮✦❘●❋✁☞✆❇❀❂❁✎❪ ❀✸✌✞✏✝✁☞✷ ✆ ✾ ✱✲✆ ✷ ✱❂●✮✫✿✁✠✟☎✌✞❀✢●❋✁ ✷ ☛✪✌✞✁☞✆✞✄❋❀❊✫❴✱✲✌✞✁✰✯ ✷ ☛✪✶ ✌✞❀❭✌✞✏✮✁
✌✞✁✠✟✤✌■✌✞✁✠✦✺✄✝✫②✱✲✌✞✁❊❅ ❆❇✏✝✁✔✟✤✣✝☛✪✌✜✱✲❦❾❀❂❁❥✌✞✏ ✷ ✟✺⑩P✫✿✁ ✷ ✟■★✠❀❊✦✺✄✮✱❂✌ ✷ ●✮✫✿✁❍◗ ✷ ✌✞✏
✑✒✓✠✕✮✑♥❝✜❞❡❩❢✓❊❅
✄❣✣r★✠❀✸✦❭● ☛ ☛ ✌✞✏✮✁✒✯✝✱❂✌✜✱❂●P✱✸✟✡✁✸✧❇✌✞✏✮✁♥✟✡✄❋✁✠★ ⑩P★✰✱✲✌ ❀❊☛ ⑩✮✫❴✁❍✱✸☛✮✯❾✱
✌✞✁✠✦✺✄✝✫②✱✲✌✞✁❏⑥❯✩✮✷ ✟ ✷ ☛ ✷ ✶ ✶ ✌✞✏✝✁✴❆◆✁✠✦✺✄✝✫②✱✲✌✞✁✴❆◆❀✪❀❊✫✿⑧ ✷ ✌❙✌✞❀✪❀✸✷ ✫❲⑦❚✧✪✌✞✏✝✷ ✁☎✟✤✣✥✟✤✌✞✁✠✦ ✶ ✁✠☛✥✵
✁☞✆✜✱✲✌✞✁✠✟■✱✂✈ ✞ ❆ ➋ ⑩P✫✿✁❊✧❇✱✸☛✮✯t❁❲✆✞❀✸✦ ✌✺✌✞✏✮✁♥✄P✱✸✄❋✁❚✆✺✄✝✆ ☛✪✌✞❀❊✩✥✌✰❅ ❃❄✌ ✟
✄❋❀❊✟✡✟ ✷ ●✝✫❴✁✸✧❶●✪✣❱✳ ✩✮✟ ✷ ☛ ✶ ✱♥✯ ✟✷ ☞ ✁☞✆✞✁✠☛✪✌❏✌✞✁✠✷ ✦✺✄✝✫❴✱❂✌✞✁❊✧✇✌✞❀ ✶ ✁✠☛✮✷ ✁☞✆✜✱✲✌✞✁✺❀❊☛✥✵❢✫ ✷ ☛✮✷ ✁
✌✞✁✠✟✤✌✞✟❇✩✝✟ ✷ ☛ ✶ ✆ ✹ ⑥❽✱✸☛✮✯✺✌✞✏✝✎✁ ✍✴✚☞✑❝ ✏✮✖❋✓✑✒ ✔✓ ✓✎✕✝✚✞✙✸❩❯✖❞ ✏✘✗❬✙✕ ✕✚✗✜✛✂✢❴✓✲⑦❚❅✎❆❇✏✮✁
✟✤✣✥✟✤✌✞✁✠✦ ★✜✏✮✁✠★✜⑧✍✟❸❁❡❀❂✆❙✯✥✩✮✄✝✫ ✷ ★✰✱✲✌✞✁✰✯✭✱✸☛✮✟✤◗❙✁☞✆✞✟✠✧✪✦ ✷ ✟✡✟ ✷ ☛ ✶ ✆ ✷❴✶ ✏✪✌❤✱✸☛✮✟✤◗❙✁☞✆✞✟✠✧
✁☞✌✞★❊❅
❆◆✁✰✱❂★❚✏✝✁☞✆✞✟✒★✰✱❂☛❜✁❚❦✝✄✝✫✿❀ ✌❍✌✞✏✝✁ ✑✒✓✠✕❊▼◆✛✮✓✡✚✜❖❺✌✞❀✪❀✸✫❥✌✞❀ ✁✠☛✮✁☞✆✜✱✲✌✞✁✐✱
☛✍✩✮✦❘●❋✁☞✆❵❀✸❁☎✌✞✁✠✟✤✌✞✟❵✌✞✏P✱✲✌✭✷✦■✱❂✌✞★✜✏✮✁✠✟❏✌✞✏✮✁✢✆✞✁ ✶❊✷ ✟✤✌✞✁☞✆✞✁✰✯✐✟✤✌✞✩✮✶✯✝✁✠☛✪✌✞✟✠✧✎✱❂☛P✯
✁ ✾ ✁☞☛ ✶ ✁✠☛✝✁☞✆✜✱❂✌✞✁❱✌✞✁✠✟✤✌♥✄❋✁☞✆✞✟✡❀❊☛✮✱✸✫ ✷✿❫ ✁✰✯⑤❁❡❀❂✆✒✁ ✾ ✁☞✆✡✣ ✟✤✌✞✩✮✯✝✁✠☛✪✌❱⑥❡❁❲❀✸✆ ✷ ☛✥✵
✟✤✌✜✱✸☛✝★✠✁❊✧◆✏P✱ ✾✍✷ ☛ ✶ ✌✞✏✮✁❭☛P✱✸✦✺✁❘❀✸❁❇✌✞✏✝✁✢✟✤✌✞✩P✯✥✁✠☛✪✌❵✄✝✆✞✁☞✵❄✄✥✆ ✷ ☛✪✌✞✁✰✯❱❀❊☛❬✌✞✏✮✁
✄P✱❂✄❋✁☞✆❉✟✡✏✮✁✠✁❚✌❚⑦❚❅
❆❇✏✮✁❍✱✸☛✝✟✤◗❇✁☞✆✞✟✺✌✞❀❱✌✞✏✮✁♥✌✞✁☞✟✤✌✞✟■✱❂✆✞✁❍✟✡✄❋✁☞★ ✷ ⑩P✁✰✯t✩✮✟ ✷ ☛ ✶ ✱❧✟✤✌✡✆ ✷ ☛ ✶ ❀✸❁
★✜✏P✱❂✆✜✱❂★☞✌✞✁☞✆✞✟✠✧❷◗✴✏ ✷ ★❚✏❧✏P✱❂✟❥✌✞❀✒●❋✁❭★✠❀✸✄ ✷ ✁✰✯✂❀✸☛✐
✱■✌✞✁☞❦✍✌❥⑩P✫✿✁✢●✪✣✔✌✞✁✰✱❂★❚✏✥✵
✁☞✆✞✟✠❅❧❻✒✱✲✆✞⑧✥✟❘✱❂✆✞✁■★✠❀✸✦✺✄✮✩✥✌✞✁✰✯✐✱✸☛✮✯✂❀❊✄✥✌ ✷ ❀❊☛P✱❂✫✿✫✿✣ ✷ ☛✝✟✡✁☞✆✡✌✞✁✰✯ ✷ ☛✪✌✞❀✒✌✞✏✮✁
✑✒✓✠✕❊▼◆✛✮✓✡✚✜❖❍✯✮✱❂✌✜✱❂●P✱❂✟✡✁ ✷ ☛✒✱❭✟✡✁✠✦ ✷ ✵❢✱✸✩✝✌✞❀✸✦■✱❂✌ ✷ ★❈◗❇✱✰✣✪❅
❃❢✌ ✟✒✱❂✫✿✆✞✁✠✱❊✯✥✣⑤✄❋❀❊✟✡✟ ●✮✫✿✁❱✌✞❀t✩✝✟✡✁③✑✔✓✠✕✮✑▲❝❚❞❲❩❢✓❬❁❡❀❂✆✒✟✡✏P✱✲✆ ☛ ✌✞✏✮✁
✯✮✱✲✌✜✱✸●✮✷ ✱✸✟✡✁■❀✸❁ ❪ ✩✮✁☞✟✤✌ ✷ ❀✸☛✮✷ ✟✭✱✸✦✺❀✸☛ ✶ ✌✞✁✠✱✸★✜✏✮✁☞✆✞✟✠❅♥✐✁■✱❂✆✞✁✺◗❙❀✸✆✞✷⑧ ✷ ✶☛ ✶ ✌✞❀
✩✮✟✡✁ ✷ ✌✽✱✸✫✿✟✡❀■✱❂✟✽✱ ✶ ✆✜✱✸✄✝✏ ✷ ★✰✱❂✫❷❁❲✆✞❀✸☛✪✌✡✵❢✁☞☛P✯▲✌✞❀❘✌✞✏✮✁✂✑✒✓✠✕✗✖✘✓❚❨✞❩☎✟✡✩ ✷ ✌✞✁❊❅
❆❇✏✮✁❘✟✤✣✥✟✤✌✞✁✠✦ ✟❏★✠✩✝✆✡✆✞✁☞☛✍✌✞✫✬✣✔✩✝✟✡✁✰✯ ☛❬✌✞✏✮✁❭✳❤☛ ☛✮✁✠✁❚✆ ☛ ✱❂★✠✩✮✫✬✌❢✣
❀✸❁❤✌✞✏✮✁❵✼✽☛ ✷✿✾ ✁☞✆✞✟ ✷ ✷✌✻✣❍❀✸❁ ✹ ✫✿❀✸✆✞✁✠☛✝★✠✁❊✧✘✦■✱✸✷ ☛✮✱ ✶ ✁✰✯✔●✍✣♥✶❊✷ ✌✞✏✮✁✣❥✁✷ ✠✶✒✄✮✱❂✹ ✆✡✌✞✦✺✁✠☛✪✌
❀✸❁ ④ ✄✮✄✝✫ ✷ ✁✰✯❍❻✒✱❂✌✞✏✝✁✠✦■✱❂✌ ✷ ★✠✟❵♦ ✤❂q❽❅
✑✒✓✠✕❊▼◆✛✮✓✡✚✜❖ ✟❤✩✮✟✡✁✰✯❘●✍✣✭✦✺❀❂✆✞✁❇✌✞✏P✱✸☛✦✥✘❥✧ ✌✞✁✰✱✸★✜✏✮✁❚✆✞✟❤❁❲❀✸✆❙✱✸●❋❀❊✩✥✌✴♣✰➆★✧
★✠❀✸✩✝✆✞✟✡✁✠✟✠✧❋✩➈ ☛✘✧❭✌✞✷ ✁✠✟✤✌✞✟❵⑥❯✁✰✱❂★❚✏♥◗ ✷ ✌✞✏❱✱❂☛✔✱ ✾ ✁☞✆✜✱ ✶ ✁❵✄P✱✲✆✡✌ ✷ ★ ✷ ✄✮✱❂✌ ✷ ❀❊☛✔❀❂❁❣①★☛
✟✤✌✞✩P✯✥✁✠☛✪✌✞✟✜⑦❚✧☎✱❂☛P✯ ✱❬✌✞❀✸✌✜✱✸✫❉❀✸❁❏✱✸●❋❀❊✩✥✌▲✪➈ ☛✘✧✘✐
✧ ✟✤✌✞✩P✯✥✁✠☛✪✌✞✟✠❅⑤❃❢✌✞✟■✩✝✟✡✁ ✷ ✟
✟✤✌✞✁✰✱✸✯ ✷ ✫✬✣ ✶ ✆✞❀✲◗ ✷ ☛ ✶ ❅
④ ✄✝✆✞✁ ❀✸✩✮✟ ✁☞✆✞✟ ❀❊☛■❀✸❁✘✌✞✏✝✁❱✑✒✓✠✕✮✑▲❝❚❞❡❩❢✓☎✌✞❀✪❀❊✫P◗❇✱✸✟❙✩✝✟✡✁✰✯❭✌✞❀❵✄✝✆✞❀❂✵
✯✝✩✝★✠✁❣✯✝❀✪★✠✾✥✩✝✷ ✦✺✁✠☛✪✾ ✌✜✱❂✌ ✷ ✷❀❊☛❏❁❡❀❂✆❶✌✞✏✝✆✞✁✠✁❣★✠❀❊✩✥✆✞✟✡✁✠✟❇⑥❯★✠❀✸✦✺✄✮✩✥✌✞✁☞✆❸✟✡★ ✷ ✁✠☛✝★✠✁❊✧❊✱❊✯✍✵
✾☛P✱✸✱❂☛✮✦ ★☞✁✰★✰✯ ✱✸✫✘✶ ✟✤✁✠✣✥❀✸✟✤✦✺✌✞✁✠✁☞✦✺✌✡✆✡✟✴✣✺✱✸✱❂☛✮☛P✯♥✯✺✟✤★✰✌✜✱✸✱✲✫✿✌ ★✠✩✝✟✤✌✫✿✩✮★✰✟✜✱❂⑦❙✫◆✱❂✦✺☛P✯■✁✠★✜✱✸✏P✟☎✱❂☛ ✱✔★✠➀ ✟✠✾✥❅❤✷ ✆✡❆❇✌✞✩✮✏ ✱✸✟☎✫❋✫❴✦■✱✸●✝✱✲➁❘✌✞✁☞❀❂✆ ❁❸✱✸✯✍✫ ✣✥✟ ✵
3. WEBTEST
❆✇✆✜✱❊✯ ✷ ✌ ✷ ❀❊☛✮✱✸✫✎◗☎✆ ✷ ✌✡✌✞✁✠☛❬✌✞✁☞✟✤✌✞✟❵✱❂✆✞✁✢✏✮✱✸☛P✯✥✫✿✁✰✯❱✌✞✏✥✆✞❀❊✩ ✶ ✏❧✱▲✟✡✁☞✆ ✷ ✁✠✟❵❀❂❁
●❋✁ ✷ ☛ ✶✷ ✦ ✷✿✶ ✆✜✱✲✌✞✁✰✯❱✌✞❀■✌✞✏✮✁❘✄✝✆✞✁✠✷ ✟✡✁☞✷ ☛✍✌ ✾ ✁☞✆✞✟ ✷ ❀❊☛❾⑥❡✷ ◗✴✏ ✷ ★✜✏❬✩✝✷ ✟✡✁✠✟❥✌✞✏✮✁✭✷ ☛✮✁❚◗ ✷
❀✸✄❋✁✠☛ ❪ ✩✝✁✠✟✤✌ ✷ ❀❊☛✝✟✠❅❭❆❇✏✝✁❭✦■✱✲✆✞⑧ ✷ ☛ ✶ ✌✜✱❂✟✡⑧ ✷ ✟ ❪ ✩ ✷ ✌✞✁✭✏✮✁✠✱ ✾ ✣✪✧✇✱❂☛P✯✔✌✞✏ ✷ ✟
✄✮✫✿✩ ✶❊✷ ☛✮✟✽✯✝✁✠✟✡★❚✆ ✷ ●❋✁✠✯✒✱✸●❋❀ ✾ ✁✲⑦❙✌✞❀ ✶ ✁☞✌✞✏✝✁☞✆✽◗ ✷ ✌✞✏✒☛✝✁☞◗❜✦■✱❂✌✞✁☞✆ ✷ ✱✸✫ ✷ ☛❍✌✞✏✮✁
✄✥✆✞✁ ✾ ✁✠☛✪✌✞✟☎✌✞✏✮✁❵✩✝✟✞✱ ✶ ✁✭❀✸❁❤✟✡✩✝✄❋✁☞✆ ✾✍✷ ✟✡✁✠✯❍✌✞✁✠✟✤✌✞✟❉❁❲❀✸✆❈✦✺❀❊☛ ✷ ✌✞❀❂✆ ✷ ☛ ✶ ★✠✫❴✱✸✟✡✟✤✵
✆ ✏✍✣✥✟ ✷ ★✠✟☎⑩P✁☞✫②✯✘❅
✆✞❀✪❀✸✦ ✩✮☛ ✷ ❁❲❀✸✆✞✦ ✷ ✌✻✣▲❀✸❁❸✫❴✁✠✱❂✆✞☛ ✷ ☛ ✶ ✱✸☛P✯▲✏✮❀✸✦✺✁☞◗❇❀❂✆✞⑧✘❅
❆❇✏✮✁■✑✒✓✠✕✗✖✘✓❚❨✞❩❋✌✞❀✪❀❊✫ ✟◆★✠✩✥✆✡✆✞✁✠☛✪✌✞✫✬✣❥✩✮✟✡✁✠✯❥●✍✣❈✦✺❀✸✆✞✁❶✌✞✏P✱❂☛✭✘① ✧❇✌✞✁✰✱❂★❚✏✥✵
✂✁❙✟✤✌✜✱✲✆✡✌✞✁✰✯❭✯✥✁ ✾ ✁✠✫✿❀❊✄ ✷ ☛ ✶ ✱✴✟✤✣✥✟✤✌✞✁✠✦ ❁❲❀✸✆❶✌✞✏✮✁ ✶ ✁✠☛✝✁☞✆✜✱❂✌ ✷ ❀✸☛✺✱✸☛✮✯❘✱❂✩✝✵
✁☞✆✞✟✠✧✝✱✸☛✮✯▲✟✡✁❚✆ ✾ ✁✰✯✺❁❡❀✸✆☎✌✞✏✝✷ ✁✽✁☞☛✍✌✡✆✡✣❭✌✞✁✠✟✤✌☎✌✞❀❭✱❂✫✿✫✘❁②✆✞✁✠✟✡✏✮✦✺✁☞☛ ✷ ☛■✌✞✏✮✁ ✹ ✫❴❀❂✵
✌✞❀✸✦■✱❂✌ ✷ ★✎★✠❀✸✆✡✆✞✁☞★☞✌ ✷ ❀❊☛✭❀✸❁✥✦❭✩✝✫✿✌ ✷ ✄✝✫❴✁❚✵❢★✜✏✮❀ ✷ ★✠✁✠✟ ❪ ✩ ✷✿❫✠❫ ✁✠✟✠✧❂☛✮✱✸✦✺✁✰✯❧✑✒✓✠✕✗✖✘✓❚❨✞❩✜❅ ✆✞✁✠☛✪✌ ✷ ☛✮✁❏✳✎☛ ✶✸✷ ☛✮✁✠✁☞✆ ✷ ☛ ✶ ❁❯✱✸★☞✩✮✫✬✌✻✣❧⑥❽✱✸●❋❀✸✩✝✌❵♣✫✧✘✧★❭✧ ✌✞✁✠✟✤✌✞✟✜⑦❚❅
s ☛✮★✠✁☎✱❂✫✿✫✝❀❂❁P❁❡❀❂✆✞✦✺✁☞✆✎✩✮✟✡✁☞✆✞✟❶❀❂❁P✌✞✏✮✁▲✑✔✓✠✕✗✖❋✓✞✙❊✚✜✛✢✟✤✣✥✟✤✌✞✁✠✦❜◗❇✁☞✆✞✁☎✁ ✌✞✏✝✁☞✆
✄✝✷✏✪✣✝✟ ✷ ★ ✷ ✟✤✌✞✟❏❀❂✆❏✦■✱❂✌✞✏✝✁✠✦■✱❂✌ ✷ ★ ✷ ✱✸☛✝✟✠✧✇❀❊☛✮✁❘❀✸❁❣✌✞✏✮✁❵⑩✮✆✞✟✤✌❥✆✞✁ ❪ ✩ ✷ ✆✞✁☞✦✺✷ ✁✠☛✪✌✞✟
5. REFERENCES
◗❇✱✸✟❥✌✞✏✮✱❂✌❏❀❂❁❇✩✮✟ ✷ ☛ ✶ ✈ ✞ ❆ ✳ ➋ ✟✡❀✸✩✝✆✞★✠✁✠✟✠❅❭❻❍❀❂✆✞✁✠❀ ✾ ✁☞✆✰✧❷✦■✱✸☛✪✣❍✌✞✁✰✱❂★❚✏✝✁☞✆✞✟
♦✬♣❚q❵✏✍✌✡✌✞✄✇❑ ❿❊❿✲◗☎◗☎◗❏❅ ✄❋✁☞✆✞✫❯❅ ❀✸✆ ✶
✏✮✱❊✯❬✱✸✫✬✆✞✁✰✱✸✯✥✣❧✯✝✁ ✾ ✁✠✫✿❀❊✄❋✁✰✯ ❪ ✩ ✷✿❫ ✯✝✱❂✌✜✱✸●✮✱✸✟✡✁✠✟❵✩✝✟ ✷ ☛ ✶ ✱❂☛✮❀❂✌✞✏✮✁☞✆❵✏✮✱✸☛P✯✍✵
♦ ①✰q❘❻♥✣Ps✝✉❥✈❤✧✥✏✪✌✡✌✞✄❷❑ ❿❊❿✰◗☎◗☎◗❏❅ ✦❘✣✥✟ ❪ ✫❽❅ ❀❂✆ ✶
✦■✱✸✯✝✁❉✟✡❀✸❁②✌✻◗☎✱✲✆✞✁❊✧✮✱✸☛P✯✺◗❇✁❉✌✡✆ ✷ ✁✰✯✢✌✞❀❘✦■✱ ✷ ☛✪✌✜✱ ✷ ☛■★✠❀✸✦✺✄P✱✲✌ ✷ ● ✷ ✫ ✷ ✌❢✣✺◗ ✷ ✌✞✏
♦ ➆✲q✬✄✽❅P✈✇✁✠✩✝❁❶✱✸☛P✯■ ❅P➍❙✩✮☛✮☛ ✷ ☛ ✶ ✏✮✱✸✦✒❅✥➁✗❆❇✏✝✁❥ ✷ ⑧ ✷ ✐✱✰✣✘❑ ❪ ✩ ✷ ★✜⑧
✷ ✌✰❅ ❀✸✆❱●✮✩✥✆✞✁✰✱✸✩✝★☞✆✜✱❂✌ ★❬✆✞✁✰✱✸✟✡❀✸☛✮✟❱❀❊✩✥✆✒✌✞✁✰✱✸★✜✏✮✁❚✆✞✟✔✄✝✆✞✁☞❁❲✁☞✆✔✌✞❀ ✏✮✱✸☛P✯✥✫✿✁
★✠❀❊✫✿✫❴✱✸●❋❀❂✆✜✱❂✌ ✷ ❀❊☛❱❀❊☛♥✌✞✏✮✁❈◗❙✁✠●✮➁ ④ ✯✮✯ ✷ ✟✡❀✸☛♥✂✁✠✟✡✫✿✁☞✣✔✡① ✧★✧✍♣❊❅
♦ ➈❂q❵✏✍✌✡✌✞✄✇❑ ❿❊❿✲◗☎◗☎◗❏❅ ❆❙ ✷ ⑧ ✷ ❅ ❀✸✆ ✶
✌✞✁☞✟✤✹ ✌✞✟❍❀❊☛❺✄✮✱✸✄❋✁☞✆✰✧✴✆✜✷✱✲✌✞✏✮✁☞✆▲✌✞✏✮✁✠☛ ❀❊☛✝✵❄✫ ✷ ☛✮✁❊❅ ❻❍❀✸✆✞✁✠❀ ✾ ✁☞✆✰✧✽★✠❀✸✦✺✄✮✩✝✌✞✁❚✆
♦ ☛✰q❵✏✍✌✡✌✞✄✇❑ ❿❊❿✲◗☎◗☎◗❏❅ ✌✡✌❚①✪❅ ❀❂✆ ✶
✆✞❀✪❀✸✦✺✟❉✱❂✆✞✁❏☛✮❀❂✌❉★✠❀❊✦✺✦✺❀✸☛ ✷ ☛✒❀✸✩✝✆✴✼❈☛ ✷✿✾ ✁☞✆✞✟ ✷ ✌✻✣✪❅
❆❇✏✝✁ ❪ ✩ ✷✿❫ ✯✮✱❂✌✜✱❂●P✱❂✟✡✁ ✷ ✟❘✱✔✈ ✞ ❆ ✳ ➋ ⑩P✫✿✁✺◗ ✷ ✌✞✏✐✟✡✄❋✁✠★ ✷ ✱❂✫❇✌✜✱ ✶ ✟❵✌✞✏P✱✲✌
♦ ✤✲q❵✏✍✌✡✌✞✄✇❑ ❿❊❿✸✯ ✷ ✯✮✱❂✌✡✌ ✷ ★✰✱✍❅ ✯✝✦■✱✥❅ ✩✝☛ ✷ ⑩◆❅ ✷ ✌
✦■✱✲✆✞⑧✍✟▲✌✞✏✝✁❧●❋✁ ✶✸✷ ☛✮☛ ✷ ☛ ✶ ❀❂❁ ✶ ✆✞❀❊✩✝✄✮✟✒❀❂❁ ❪ ✩✝✁✠✟✤✌ ✷ ❀❊☛✮✟✠✧❈❀✸❁ ❪ ✩✮✁✠✟✤✌ ✷ ❀❊☛✝✟
4. SURVEY OF WEBTEACH USAGE