Naofumi Sato, W. N. K. Dharmarathne, Takeshi Saito, Hiroyasu Sato, Norio Tanaka, and Ken Kawamoto. “MICROCOSM EXPERIMENTS ON A COCONUT-FIBRE BIOFILM TREATMENT SYSTEM TO EVALUATE WASTE WATER TREATMENT EFFICIENCIES”. GEOMATE Journal 12, no. 33 (February 10, 2017): 160–166. Accessed April 20, 2024. https://geomatejournal.com/geomate/article/view/1255.