Acatrinei, C. and Puiu, T. V. (2012) “The Loyalty Card: Issues in Evaluating Loyalty Program Effectiveness”, International Journal of Economic Practices and Theories, 2(3), pp. 153-164. Available at: http://ijept.eu/index.php/ijept/article/view/The_Loyalty_Card%3A__Issues_in_Evaluating_Loyalty_Program_Effect (Accessed: 20September2024).