ASSESSMENT OF WATER QUALITY AND HEAVY METAL CONTAMINATION (ALUMINUM, IRON, COPPER, CADMIUM, LEAD, AND ZINC) IN TERENGGANU, SETIU AND BESUT RIVERS, MALAYSIA. J. Teknol. [Internet]. 2026 Jun. 16 [cited 2026 Oct. 3];88(4):761-72. Available from: https://journals.utm.my/jurnalteknologi/article/view/24719