Shella S, Weny W, Utama T. Effect of Service Quality on Customer Loyalty at Fortunate Coffee Cemara Asri, Deli Serdang. CICoST [Internet]. 2023 Oct. 4 [cited 2026 Jun. 6];1(1):85-90. Available from: https://www.prosiding.politeknikcendana.ac.id/index.php/CICoST/article/view/362