ศาสตร์เกษตรดินปุ๋ย : ขอบคุณแหล่งข้อมูล : หนังสือพิมพ์ The Nation
http://www.nationmultimedia.com/detail/national/30351398
A RIVER OF DAMS
ASEAN+ August 04, 2018 01:00
By Nation Graphics
To date, 241 dams have been built along the Mekong River or its tributaries. Over a hundred more are planned or under construction.
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