Adebayo, OLOIDI Gabriel, and OLUWALANA Lucas Oladimeji. “Economics of Business Research on Customers’ Retention and Sales Improvement in Supermarkets”. IJRDO - Journal of Business Management 1, no. 6 (October 28, 2015): 14-30. Accessed December 7, 2025. http://cpcalendars.ijrdo.org/index.php/bm/article/view/2276.