ODENDAL, A. Goal management as an attempt to evaluate nature conservation campaigns. Southern African Journal of Environmental Education, [S. l.], v. 3, p. 14–17, 2016. DOI: 10.4314/sajee.v3i0.137287. Disponível em: https://www.ajol.info/index.php/sajee/article/view/137287. Acesso em: 17 oct. 2026.