Nguyen, Thanh Giao, and Nhien Thi Hong Huynh. “Evaluating Surface Water Quality Using Indexes of Water Quality and Plankton Diversity”. Civil Engineering Journal 9, no. 5 (May 1, 2023): 1187–1202. Accessed January 1, 2026. https://civilejournal.org/index.php/cej/article/view/4016.