SCHENCK, Catherina Johanna; GROBLER, Lizette; BLAAUW, Derick; VILJOEN, Kotie. Commuters’ Perceptions of Littering on Trains in South Africa: A Case for Environmental Social Work. Southern African Journal of Social Work and Social Development, [S. l.], v. 33, n. 3, 2021. DOI: 10.25159/2708-9355/9951. Disponível em: https://www.unisapressjournals.co.za/index.php/SWPR/article/view/9951. Acesso em: 3 dec. 2025.