FARADINA, Faradina; HARIGUNA, Taqwa; UTOMO, Fandy Setyo. Usability Evaluation of a School Library OPAC Using Heuristic Evaluation and User Testing. Journal of Information Systems and Informatics, [S. l.], v. 8, n. 1, p. 1105–1123, 2026. DOI: 10.63158/journalisi.v8i1.1528. Disponível em: https://journal-isi.org.adsii.or.id/index.php/isi/article/view/1528. Acesso em: 5 mar. 2026.