Anyanwu IB. INFLUENCE OF CORE SERVICE AND SERVICE ENCOUNTER FAILURES AS INCIDENTS OF SWITCHING COSTS ON CUSTOMER RETENTION IN FOOD SERVICE ESTABLISHMENTS IN UMUAHIA, ABIA STATE. AJSBS [Internet]. 2022 Sep. 13 [cited 2025 Apr. 8];12(2). Available from: https://journals.aphriapub.com/index.php/AJSBS/article/view/1560