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. (2023). NASARAWA JOURNAL OF LIBRARY AND INFORMATION SCIENCE (NAJLIS), 3(1), 27-36. https://najlisnsuk.ng/index.php/najis/article/view/68