Impacts of coffee price volatility on the livelihoods of smallholder farmers in Karagwe District, Tanzania. African Journal of Empirical Research, [S. l.], v. 7, n. 1, p. 178–188, 2026. DOI: 10.51867/ajernet.7.1.15. Disponível em: https://ajernet.net/ojs/index.php/ajernet/article/view/1575. Acesso em: 24 may. 2026.