Kajembe, A. J. M.; Mataba, L.; Mmari, G.; Warsanga, B. Determinants of Financial Sustainability in Private Solid Waste Management Firms: Evidence from Dar Es Salaam, Tanzania Using System GMM. Afr. Quarterly S.S. Review 2026, 3 (3), 865-879. https://doi.org/10.51867/AQSSR.3.3.69.