Pongthornpruek, Supaporn. “Treatment of Piggery Wastewater by Three Grass Species Growing in a Constructed Wetland”. Applied Environmental Research 39, no. 1 (April 24, 2017): 75–83. Accessed May 18, 2024. https://ph01.tci-thaijo.org/index.php/aer/article/view/70402.