Nasarawa Journal of Library and Information Science (NAJLIS) Vol.3, No.1, 2019. ISSN: 2636-5774 27 Influence of Copies of Information Sources and Use of University Libraries in the South-East Zone of Nigeria. NAJLIS. 2023;3(1):27-36. Accessed February 17, 2026. https://najlisnsuk.ng/index.php/najis/article/view/68