Zachary Dyta Muhammad Zidand Nasaru. “PENGARUH KUALITAS PELAYANAN DAN HARGA TERHADAP LOYALITAS PELANGGAN DI CAFE ANGKRINGAN ROPITA”. Journal of Innovation Research and Knowledge, vol. 4, no. 7, Dec. 2024, pp. 5185-94, https://mail.bajangjournal.com/index.php/JIRK/article/view/9229.