L. Lupondo, B. Namwata, F. Ngalawa, and H. Nyamboga, “Profitability of coffee production among smallholder farmers in Mbozi District, Songwe Region, Tanzania”, Afr. Quarterly S.S. Review, vol. 2, no. 3, pp. 104–113, Jul. 2025, doi: 10.51867/AQSSR.2.3.9.