Chucks , Ofuonyebuzor, Daniel, and Auwal Yahya Ahmad. “Self-Service Delivery and Subscribers’ Usage in Glomobile, Zaria, Nigeria”. Journal of Good Governance and Sustainable Development in Africa 3, no. 1 (August 18, 2021): 1-9. Accessed November 8, 2024. https://journals.rcmss.com/index.php/jggsda/article/view/510.