NGWARE, N. M. “Solid Waste Management in Dar Es Salaam City: Understanding Roles, Levels and Collaboration Among Stakeholders”. The Journal of Building and Land Development 18, no. 1 & 2 (August 28, 2018): 107-124. Accessed April 27, 2024. http://journals.aru.ac.tz/index.php/JBLD/article/view/210.