250ผู้ไทดำ (Phu Tai Dam)TTenEthnic Groups in Mekong River Basin (MRB) active approved ผู้ไทดำ (Phu Tai Dam)ผู้ไทดำ (Phu Tai Dam)2021-05-27 09:20:40RT248ไทดำ (Tai Dam)PT