N. Y. . Zainun, Ashri, S., Mohammad, H., Mohammed Ghazali, F. E., and Khahro, S. H., “Water Filtration Design for Rainwater Harvesting System in Faculty of Civil Engineering and Built Environment, UTHM”, rtcebe, vol. 1, no. 1, pp. 149–156, Dec. 2020, Accessed: May 04, 2024. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/498