1. Market Volume Forecast of Cobalt Worldwide from 2022 to 2025,2019
2. Australian Government, 2020. Australian critical minerals prospectus 2020. p. 172.
3. Sustainability of artisanal mining of cobalt in DR Congo;Banza Lubaba Nkulu;Nat. Sustain.,2018
4. Maddison Style Estimates of the Evolution of the World Economy. A New 2020 Update;Bolt,2020
5. Cobalt recovery from Li-ion battery recycling: a critical review;Botelho Junior;Metals,2021