LIGTHELM, J.; BARNARD, L. Politieke oortuiging of opportunisme? Generaal Jan Kemp en die naamsverandering van Roberts Heights na Voortrekkerhoogte. Southern Journal for Contemporary History, [S. l.], v. 29, n. 2, p. 78–91, 2004. DOI: 10.38140/sjch.v29i2.415. Disponível em: https://journals.ufs.ac.za/index.php/jch/article/view/415. Acesso em: 23 nov. 2024.