1. C. P.Baldé , V.Forti , V.Gray , V.Kuehr and P.Stegmann , The Global E-waste Monitor 2017 , Report 9789280890532, Geneva, Bonn, Vienna , 2017
2. World Economic Forum: A new circular vision for electronics - time for a global reboot , https://www.weforum.org/reports/a-new-circular-vision-for-electronics-time-for-a-global-reboot , accessed 13/01/2020
3. Recycling of WEEEs: An economic assessment of present and future e-waste streams
4. UNEP , Recycling - From E-waste to resources , July 2009
5. Recovery of metals and nonmetals from electronic waste by physical and chemical recycling processes