“Hotel and Restaurant Management System Core Transaction Iii (Booking, Reservation, Facility Management, Guest Management, Customer Relationship Management): Vol.3, No.1B”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 3, no. 1B (April 22, 2024). Accessed December 6, 2025. https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/12921.