Nurhayati, Indah, 		Vigiani, Sela, AND 		Majid, Dian.
" PENURUNAN KADAR BESI DAN KROMIUM LIMBAH CAIR LABORATORIUM TEKNIK LINGKUNGAN DENGAN PENGENCERAN, KOAGULASI DAN ADSOBSI" <em>ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science)</em> [Online], Volume 14 Number 1 (30 June 2020)