Website Quality Analysis Using Webqual 4.0 Method And Importance Performance Analysis (IPA) For Improving The Service Quality : Analisis Kualiti Laman Web Menggunakan Kaedah Webqual 4.0 dan Importance Performance Analysis (IPA) untuk Meningkatkan Kualiti Perkhidmatan . e-Jurnal Penyelidikan dan Inovasi, [S. l.], v. 11, n. 1, p. 132–148, 2024. DOI: 10.53840/ejpi.v11i1.170. Disponível em: https://ejpi.uis.edu.my/index.php/ejpi/article/view/170. Acesso em: 31 may. 2026.