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 (September 10, 2018): 14-30. Accessed May 17, 2024. https://ijrdo.org/index.php/bm/article/view/2276.