I. H. . Kamar Supardi, N. . Mohamad Abdullah, B. H. . Ismail, A. . Tugi, and Y. . D. Opaluwa, “Generating Water Quality Maps of Klang River Based on Geographic Information System (GIS) and Water Quality Index (WQI)”, ijscet, vol. 14, no. 3, pp. 408–418, Sep. 2023, Accessed: Jul. 18, 2024. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/15331