Akpena J. Influence of Librarian’s Attitudes on the Marketing of Information Resources and Services in University Libraries in North Central Zone Nigeria. LJISR [Интернет]. 18 декабрь 2023 г. [цитируется по 22 июль 2025 г.];1(2):97-107. доступно на: https://ljisr.net.ng/index.php/lis/article/view/22