Naofumi Sato; W. N. K. Dharmarathne; Takeshi Saito; Hiroyasu Sato; Norio Tanaka; Ken Kawamoto. MICROCOSM EXPERIMENTS ON A COCONUT-FIBRE BIOFILM TREATMENT SYSTEM TO EVALUATE WASTE WATER TREATMENT EFFICIENCIES. INTERNATIONAL JOURNAL OF GEOMATE 2017, 12, 160-166.