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		Suryawan, K., 		Mahardika, I., & 		Budiarsa Suyasa, I.
(2017).
 Pemanfaatan Biofilter untuk Mengurangi Pemakaian Bahan Kimia dalam Proses Pengolahan Air Estuary.
<em>ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal Of Environmental Science), 11</em>(2), 81 - 86.
doi:10.24843/EJES.2017.v11.i02.p09