TULYANJE, Defao; FRANCIS, Helene; HAULI, Emmanuel. Effects of Coffee Production on Household Income among Smallholder Farmers in Mbinga District, Tanzania. Rural Planning Journal, [S. l.], v. 27, n. 2, p. 10–24, 2026. DOI: 10.59557/rpj.25.2.2025.219. Disponível em: https://journals.irdp.ac.tz/index.php/rpj/article/view/219. Acesso em: 4 feb. 2026.