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Bounthong Sivongsa

3 �ݺ�ߣShares 1 Follower 4 Followings

3 �ݺ�ߣShares 1 Follower 4 Followings

Personal Information

Occupation

student

Industry

CleanTech / Environment

Website

https://www.facebook.com/profile.php?id=100009954184155

About

i'm interesting about environment science ans now study about it..

Presentations(1)��

ບົດທີ 2

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Basic Conversation

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