Chime, A. и Ekwueme, L. (2023) «Assessing the Usage of Electronic Information Resources and the Nature of Research Output by Postgraduate Students in Federal University Libraries in South-East, Nigeria», Lokoja Journal of Information Science Research, 1(2), сс. 1–17. доступно на: https://ljisr.net.ng/index.php/lis/article/view/14 (просмотрено: 22 июль 2025).