H. van der Merwe and M. T. Hoffman, “Vegetation of Akkerendam Nature Reserve, Northern Cape: Delineation and dynamics over 100 years”, ABC, vol. 49, no. 1, Mar. 2019, Accessed: Apr. 29, 2026. [Online]. Available: https://mail.abcjournal.org/index.php/abc/article/view/14