Phonmat, S., N. Charoensuk, and L. Noichaisin. “The Reduction of Ammonia-Nitrogen in Synthetic Leachate Using Fermented Bio-Extracts”. RMUTSB ACADEMIC JOURNAL, vol. 9, no. 1, June 2021, pp. 118-32, https://li01.tci-thaijo.org/index.php/rmutsb-sci/article/view/249682.