“Comparison of Water Quality and Heavy Metals Concentration Between Lata Janggut and Lata Keding, Jeli, Kelantan ”. Journal of Tropical Resources and Sustainable Science (JTRSS) 8, no. 1 (June 30, 2020): 17–23. Accessed August 22, 2025. https://journal.umk.edu.my/index.php/jtrss/article/view/159.