Akerejola , W. O., E. O. Ibobo, P. S. Ohikhena, and B. Alabi. “THE EFFECT OF CUSTOMER RELATIONSHIP MARKETING ON CUSTOMER RETENTION – A CASE STUDY OF GUARANTY TRUST BANK PLC. BENIN-CITY”. Innovative Journal of Research in Marketing and Customer Success, vol. 1, no. 2, Sept. 2021, pp. 1-14, https://cirdjournals.com/index.php/ijrmcs/article/view/85.