MSHANA, Joseph; NGOWI, Edwin; TUMAIN, Allan; KADIGI, Michael. Heterogeneous effects of marketing strategies on sunflower oil processing small and medium enterprises performance in Tanzania: Mixed-methods evidence from Singida Region. African Quarterly Social Science Review, [S. l.], v. 3, n. 3, p. 880–896, 2026. DOI: 10.51867/AQSSR.3.3.70. Disponível em: https://quarterlyreview.net/ojs/index.php/aqssr/article/view/662.. Acesso em: 12 sep. 2026.