LAGAS, S.; ISIP, J. Challenges to Digital Services in Philippine Academic Libraries. Philippine Journal of Librarianship and Information Studies, [S. l.], v. 43, n. 1, p. 27–38, 2023. Disponível em: http://www.phjlis.org/index.php/phjlis/article/view/133. Acesso em: 28 jul. 2026.