Haniffa, Mohammad Hafiz, and Mohd Ariff Ahmad Nazri. “Water Quality Study at the Downstream of Gunung Belumut”. Recent Trends in Civil Engineering and Built Environment 4, no. 1 (May 15, 2023): 081–088. Accessed May 17, 2024. https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/5720.