Janyasupab, Pakawat, and Arunothai Jampeetong. “Performance of Porous Substrates for Domestic Wastewater Treatment under Prolonged Hydraulic Retention Time”. Applied Environmental Research 44, no. 3 (August 31, 2022): 45–58. Accessed May 19, 2024. https://ph01.tci-thaijo.org/index.php/aer/article/view/249854.