Gaya APA

RETNANINGRUM, E., WILOPO, W. (2017). Removal of sulphate and manganese on synthetic wastewater in sulphate reducing bioreactor using Indonesia natural zeolite . Yogyakarta: Department of Chemistry UGM.

Gaya MLA

RETNANINGRUM, Endah., WILOPO, Wahyu. "Removal of sulphate and manganese on synthetic wastewater in sulphate reducing bioreactor using Indonesia natural zeolite". Yogyakarta: Department of Chemistry UGM, 2017. Artikel.