FELIX, DR. EGBORO. “CHALLENGES OF ACQUISITION AND RETENTION OF CUSTOMERS IN A COMPETITIVE MARKET”. INTERNATIONAL JOURNAL OF MANAGEMENT & INFORMATION TECHNOLOGY 10, no. 8 (June 8, 2015): 2372–2380. Accessed May 19, 2024. https://rajpub.com/index.php/ijmit/article/view/585ijmit.