Different countries use the terms dissertation and thesis differently. Use the term as it appears on the title page.
Saah, P. (2017). Exploring Mintzberg’s managerial roles of academic leaders at a selected higher education institution in South Africa. (Unpublished master’s dissertation). North-West University, Mafikeng Campus.
Norton, L. M. (2018). Building critical reflexivity through life story work (Doctoral thesis). https://researchspace.ukzn.ac.za/handle/10413/16454
Carroll, A. R. (2018). Ecosystems, communities, and species: Understanding mammalian response to ancient carbon cycle perturbations (Doctoral dissertation). Available from ProQuest Dissertations and Theses database. (ProQuest document ID 2058145688).