Haile A Mengistu, Abera Tessema, Molla B Demlie, Tamiru A Abiye, and Oddvar Roeyset, “Surface-complexation modelling for describing adsorption of phosphate on hydrous ferric oxide surface”, WSA, vol. 41, no. 1 January, Jan. 2015, doi: 10.4314/wsa.v41i1.19.