Mohd Kamil NAF, Bahari M, Akhbar NA, Mizad M. Evaluation of fluoride concentration in water filter system for households. IJIE [Internet]. 2018 May 8 [cited 2026 Apr. 8];10(2). Available from: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/2639