Sittivate, Dome. “How to Estimate and Design the Filter Run Duration of a Horizontal-Flow Roughing Filter”. Science & Technology Asia 5, no. 2 (November 5, 2015): 1–13. Accessed March 29, 2024. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41911.