OBUH, A. Roles and Proficiency of Systems Librarians as Managers of Library Systems in Academic Libraries in Nigeria. JLIS.it , [S. l.], v. 10, n. 1, p. 102–113, 2019. DOI: 10.4403/jlis.it-12512. Disponível em: https://www.jlis.it/index.php/jlis/article/view/87. Acesso em: 21 jun. 2024.