Olawuyi, Oluseye M., and OluwasanjoJ. Olawuyi. “SIM CARDS FUNCTIONS AND POSITIVE IMPACT ON NIGERIAN ECONOMY”. International Journal of Novel Research in Humanities, Social Science and Management 1, no. 1 (December 19, 2018). Accessed November 1, 2024. https://publications.oasisinternationaljournal.org/index.php/Ijnhssm/article/view/23.