john robert banaag


Joined: 20/06/2011

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john robert banaag's PowerPoint Presentations

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Recent Activity

grigiojr commented on ashu912's presentation "SOLID WASTE MANAGEMENT"

100 months ago

Comment (4)

grigiojr : thank you..i'll use your ppt as a reference..nice work..

100 months ago

ramki6373 : done a great job. thanks for keeping more and a suitable information

97 months ago

gacayteaadan : very important documents

68 months ago

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