PRATAMA, Arista; LARASATI, Adelia Sefri; WULANSARI, Anita. Analisis Kualitas Website Sistem Langitan Umaha Dengan Webqual 4.0 dan Importance Performance Analysis. Journal of Information Systems and Informatics, [S. l.], v. 3, n. 3, p. 519–533, 2021. DOI: 10.51519/journalisi.v3i3.172. Disponível em: https://www.journal-isi.org/index.php/isi/article/view/172. Acesso em: 7 mar. 2026.