Juniarta, Putu, 		Budiarsa Suyasa, I Wayan, AND 		Sila Dharma, IGB.
" EFFECTIVENESS OF BIOFILTER MADE FROM PLASTIC WASTE TO DECREASE BOD, COD AND AMMONIA OF HOSPITAL WASTEWATER" <em>ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science)</em> [Online], Volume 12 Number 1 (31 May 2018)