WIDODO, Purwanto. Analysis of Customer Satisfaction of Saung Wulan Restaurant Using SERVQUAL Method, Importance Performance Analysis (IPA) and Gap Analysis. KnE Social Sciences, [S. l.], v. 9, n. 20, p. 194–210, 2024. DOI: 10.18502/kss.v9i20.16513. Disponível em: https://knepublishing.com/index.php/KnE-Social/article/view/16513. Acesso em: 6 jul. 2025.