Kajembe, A. J. M., Mataba, L., Mmari, G., & Warsanga, B. (2026). Determinants of financial sustainability in private solid waste management firms: Evidence from Dar es Salaam, Tanzania using System GMM. African Quarterly Social Science Review, 3(3), 865-879. https://doi.org/10.51867/AQSSR.3.3.69