Orcullo, Kent G., and James Q. Grefalde , trans. “Customer Satisfaction and Challenges in Online Food Delivery: A Study in Surigao Del Sur”. International Journal of Scientific Research and Management (IJSRM) 13, no. 05 (May 19, 2025): 9039–9050. Accessed May 20, 2025. https://ijsrm.net/index.php/ijsrm/article/view/6316.