Sajidin, Mochammad Afif, Deny Andesta, and Mochammad Nuruddin. “Integrating SERVQUAL and Importance Performance Analysis to Prioritize Service Improvements in Modern Retail: A Case Study of XYZ Store”. Indonesian Journal of Innovation Studies 27, no. 1 (December 10, 2025): 10.21070/ijins.v27i1.1852. Accessed January 2, 2026. https://ijins.umsida.ac.id/index.php/ijins/article/view/1852.