Research by Sicelo C. Gama into the sustainable investment by retirement fund in the Southern African Customs Union, i.e. Namibia, South Africa, Botswana, Eswatini and Lesotho. It is an anonymous survey and the link is unable to track identifying information.

https://henley.eu.qualtrics.com/jfe/form/SV_5chv4Jg7ZzOwCge