Mpambara, Frederick R, Benjamin Byiringiro, Joseline Muhongerwa, and Fausta Nyakusinga. 2011. “Marketing-Mix and Customer Satisfaction in MTN Rwanda-Cell: Kicukiro District, Rwanda”. East African Journal of Science and Technology 1 (1):41-58. https://doi.org/10.62103/unilak.eajst.1.1.28.