Published on in Vol 9, No 10 (2021): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/22653, first published
.
1 Department of Information Systems, Faculty of Commerce, University of Cape Town, Cape Town, South Africa
2 Department of Computer Science and Information Technology, Malawi Institute of Technology, Malawi University of Science and Technology, Thyolo, Malawi