Analysis of Customer Satisfaction Level of XYZ Gresik Gas Station with Service Quality (Servqual) and Importance Performance Analysis (IPA) Methods . G-Tech [Internet]. 2024 Jul. 2 [cited 2026 Oct. 1];8(3):1405-14. Available from: https://ejournal.uniramalang.ac.id/g-tech/article/view/4330