ฤทธิ์ทวงศ์ ส, ปุณยอุปพัทธ์ ป, พัฒนพิพิธไพศาล ป. Removal of As(III), Mn(II) and NH4+-N from synthetic groundwater using biofilm reactor connecting with filtration reactor. KKU Sci. J. [internet]. 2018 Dec. 28 [cited 2026 Sep. 19];46(4):777-88. available from: https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/249956