Facebook Username : Chang Tung HG
Facebook URL : https://www.facebook.com/changtunghg
Worksheet:

WEEK 1 (31/1 - 06/2)   
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1. https://www.facebook.com/changtunghg/posts/923049557875405
2. https://www.facebook.com/changtunghg/posts/923121204534907
3. https://www.facebook.com/changtunghg/posts/923239871189707
4. https://www.facebook.com/changtunghg/posts/923467934500234
5. https://www.facebook.com/changtunghg/posts/923503257830035