Skills and Competencies Required by Academic Staff in the Utilisation of Information Retrieval Devices in Polytechnic Libraries in Kaduna State, Nigeria. NASARAWA JOURNAL OF LIBRARY AND INFORMATION SCIENCE (NAJLIS), [S. l.], v. 3, n. 1, p. 179–190, 2023. Disponível em: https://najlisnsuk.ng/index.php/najis/article/view/87. Acesso em: 17 feb. 2026.