J. O., Adetayo, and Emerah Ajevata Apollos. “An Overview of Service Delivery and Customer Satisfaction in the Telecommunications Industry in Nigeria”. Indian Journal of Marketing 43, no. 8 (August 27, 2013): 14–22. Accessed August 30, 2025. https://indianjournalofmarketing.com/index.php/ijom/article/view/36318.