LOUW, J.D. Opleiding van munisipale beheerbeamptes. Clean Air Journal, [S. l.], v. 1, n. 03, 1973. DOI: 10.17159/caj/1973/1/03.7215. Disponível em: https://cleanairjournal.org.za/article/view/7215. Acesso em: 10 may. 2024.