ANDINI, Tias; SAYEKTI, Retno. The Quality of Service at the International Corner in the Library of Universitas Muhammadiyah Sumatera Utara (UMSU) Based on the LibQUAL Model. Journal of Educational Sciences, [S. l.], v. 9, n. 4, p. 2440–2453, 2025. DOI: 10.31258/jes.9.4.p.2440-2453. Disponível em: https://jes.ejournal.unri.ac.id/index.php/JES/article/view/666. Acesso em: 24 apr. 2026.