Defa Salma Annafisah, Said Salim Dahda, & Deny Andesta. (2026). Analysis of Service Quality Using a Combination of The Servqual Method and Importance-Performance Analysis at Event Organizer. Jurnal Riset Ilmu Teknik, 4(3), 275–286. https://doi.org/10.59976/jurit.v4i3.413