Agustia, Putri, Afrilia Denia, Yoanita Febriyani, and Robet Kristaung. “LOYALITAS PELANGGAN DI RESTORAN CEPAT SAJI”. Ekonomi Digital 1, no. 2 (October 23, 2022): 111–118. Accessed May 18, 2026. https://journal.fourzero.id/index.php/ed/article/view/21.