Khamis, Silima Juma, and Haji Ali Haji. “Impact of Unskilled Labour on Waste Products Management in West ‘B’ Municipality of Zanzibar”. The International Journal of Humanities & Social Studies 10, no. 9 (September 30, 2022). Accessed April 30, 2024. http://www.internationaljournalcorner.com/index.php/theijhss/article/view/172423.