Issued by AfricaScope/GeoScope 14 Oct 2022
Issued by North-West University (NWU) 22 Nov 2021
Lungile Manzini 9 Sep 2020
Steve Nicholls 30 Jul 2020
Onyinye Nwaneri 1 Jun 2020
Erica Elk 15 Jan 2020
Kingsley Ighobor 21 May 2019
Issued by ACDOCO SA 12 Feb 2019
Alisa Greenwood-Nguyen and Robin J. Roth 1 Feb 2019
Sandiso Sibisi 19 Oct 2018