P. . Avakul, T. . Jutagate, P. . Kantatasiri, and N. Anuttarunggoon, “Spatio-Temporal Variability of Water Quality in the Upper Chao Phraya River, Thailand, between 2008 and 2018 ”, JFE, vol. 46, no. 2, pp. 77–87, Aug. 2000.