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Damanik C, Drago V, Windasari Siallagan M, Jaya Harmaja O. Customer Satisfaction Evaluation At Sapadia Guest House Through Servqual And Csi Approaches Based On Information Systems. IJSE [Internet]. 2025 Aug. 22 [cited 2025 Aug. 23];5(3):305-11. Available from: https://ijsenet.com/index.php/IJSE/article/view/183