Fitrianti, Dwi, Siti Munajah, and Achmad Fianto. “Pengaruh Service Quality Dan Relationship Marketing Terhadap Customer Retention Dengan Customer Satisfaction Pada Cafe Yoikona Surabaya”. Transformasi Manageria:   Journal of Islamic Education Management 4, no. 1 (May 30, 2024): 344-357. Accessed July 22, 2024. https://journal.laaroiba.ac.id/index.php/manageria/article/view/6673.