Debora, Fransisca, Nadia Fasa, Hamdani Aris Sudrajat, and Astrie Apriliani. “Analysis of Service Quality on Lestari Seserahan SME Customer Satisfaction With the Customer Satisfaction Index (CSI) and Importance Performance Analysis (IPA) Methods”. IJIEM - Indonesian Journal of Industrial Engineering and Management 4, no. 1 (February 28, 2023): 78–86. Accessed May 28, 2026. https://training-ojs3-publikasi.mercubuana.ac.id/index.php/ijiem/article/view/19198.