L. C. Foxcroft, N. J. . van Wilgen, J. A. . Baard, and N. S. . Cole, “Biological invasions in South African National Parks”, ABC, vol. 47, no. 2, Mar. 2017, Accessed: Apr. 17, 2026. [Online]. Available: https://mail.abcjournal.org/index.php/abc/article/view/128