The Effectiveness of Point-of-Sale Systems in Enhancing Operational Efficiency and Customer Satisfaction in Selected Fast-Food Chains in Malanday Valenzuela City Jhoeshley U. Gata, Hanz Raven P. Givera, David Kyle Gulapa, Katya B. Hipolito, Kurt Zhyrelle Marcos1, Hannah Grace E. Taco, Jhon Wayne O. Tolentino
