Eyobel Mulugeta, Feleke Zewge, C Annette Johnson, and Bhagwan Singh Chandravanshi, “Aluminium hydro(oxide)–based (AO) adsorbent for defluoridation of drinking water: Optimisation, performance comparison, and field testing”, WSA, vol. 41, no. 1 January, Jan. 2015, doi: 10.4314/wsa.v41i1.15.