Mohd Zamri, Nur Sarah Afiqah, and Siti Nazahiyah Rahmat. “Self-Reliant Rainwater Harvesting System Guidelines (RWHS) for Non-Potable Water Usages”. Recent Trends in Civil Engineering and Built Environment 2, no. 1 (June 13, 2021): 665–672. Accessed July 1, 2024. https://publisher.uthm.edu.my/periodicals/index.php/rtcebe/article/view/1305.