Triyuang, Prachyanee, Somkiat Piyatiratitivorakul, and Thavivongse Sriburi. 2013. “Effect of Fish Cage Culture on Water Quality: A Case Study of Chi River and Yang River, Roi Et Province”. Applied Environmental Research 31 (1):55-65. https://ph01.tci-thaijo.org/index.php/aer/article/view/9685.