1. A review of technology of metal recovery from electronic waste;Ari,2016
2. 6 Free Maps of Malaysia;Asean-Up,2018
3. Cobalt separation from waste mobile phone batteries using selective precipitation and chelating resin;Badawy;J. Mater. Cycles Waste Manag.,2014
4. The global e-waste monitor – 2017. United Nations University (UNU);Baldé,2017
5. Controlling Transboundary Movements of Hazardous Wastes and Their Disposal;Basel Convention,2018