“SPATIAL AND TEMPORAL VARIABILITIES OF SURFACE WATER QUALITY IN URBAN AND RESIDENTIAL AREAS IN AN GIANG, VIETNAM”, tvujs, vol. 1, no. 45, pp. 69–79, Aug. 2022, Accessed: Jan. 27, 2026. [Online]. Available: https://journal.tvu.edu.vn/vi/index.php/tckh/article/view/91