et.al, So Mario Sidharta. “Customer Loyalty Analysis on Online Food Delivery Services”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 3 (April 11, 2021): 4003–4013. Accessed September 12, 2025. https://textitlejournal.com/turcomat.org/index.php/turkbilmat/article/view/1690.