Zachary Dyta Muhammad Zidand Nasaru. 2024. “PENGARUH KUALITAS PELAYANAN DAN HARGA TERHADAP LOYALITAS PELANGGAN DI CAFE ANGKRINGAN ROPITA”. Journal of Innovation Research and Knowledge 4 (7):5185-94. https://mail.bajangjournal.com/index.php/JIRK/article/view/9229.