Fransiscus, Yunus and Widi, Restu Kartiko and Aprilasti, Grace O. and Yuharma, Marta D. (2018) Adsorpstion of Phosphate in Aqueous Solutions Using Manganese Dioxide. International Journal on Advanced Science, Engineeering and Information Technology, 8 (3). pp. 818-824. ISSN 2088 - 5334