Smart, Ambrose E, и Francisca Ogbomo. «Awareness of Open Educational Resources (OER) and Utilization by Postgraduate Students of The National Open University of Nigeria in the South-South Region». Lokoja Journal of Information Science Research 1, no. 1 (июнь 14, 2023): 1–14. просмотрено июль 22, 2025. https://ljisr.net.ng/index.php/lis/article/view/2.