237ข่าโซ่ (Kha So)TTenEthnic Groups in Mekong River Basin (MRB) active approved ข่าโซ่ (Kha So)ข่าโซ่ (Kha So)2021-05-27 16:46:32RT235ข่า (Kha)PTRT206โส้ (So)PT