Reference and Information Service Delivery in Michael Okpara University of Agriculture, Umudike and Abia State University Libraries. Nigerian Library and Information Science Trends, [S. l.], v. 10, n. 1, p. 58–71, 2025. Disponível em: https://nlist.net.ng/index.php/nlist/article/view/130.. Acesso em: 20 oct. 2025.