Otoo, D, S. K Amponsah, and C Sebil. “Capacitated Clustering and Collection of Solid Waste in Kwadaso Estate, Kumasi”. Journal of Asian Scientific Research 4, no. 8 (August 15, 2014): 460–472. Accessed July 22, 2024. https://archive.aessweb.com/index.php/5003/article/view/3662.