Vadivelu R, Hairol Akhma MAF, Tuan Masrohaizat TMS, Mohamed Nor MH. River Water Quality Analysis Using RO Filtration. MARI [Internet]. 2026 Jan. 1 [cited 2026 Aug. 15];7(1):180-6. Available from: https://periodical.uthm.edu.my/index.php/mari/article/view/21694