DIE INVLOED VAN POLITIEK OP DIE BEDRYF VAN DIE WETENSKAP. Clean Air Journal, [S. l.], v. 7, n. 1, p. 14–18, 1986. DOI: 10.17159/caj/1986/7/1.7344. Disponível em: https://cleanairjournal.org.za/article/view/7344. Acesso em: 22 nov. 2024.