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		Nurhayati, I., 		Vigiani, S., & 		Majid, D.
(2020).
 PENURUNAN KADAR BESI DAN KROMIUM LIMBAH CAIR LABORATORIUM TEKNIK LINGKUNGAN DENGAN PENGENCERAN, KOAGULASI DAN ADSOBSI.
<em>ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal Of Environmental Science), 14</em>(1), 74-87.
doi:10.24843/EJES.2020.v14.i01.p07