“Evaluation on the Customer Relationship Towarads the Operation of Angel’s Burger; Basis for Customer Retention Strategies: Vol.4, No.1” (2024) Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, 4(1). Available at: https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/13577 (Accessed: 13 March 2026).