Alex Nmecha, J.C. and Bassey, M.M. 2020. Library Advocacy: A Strategy for sustaining library services in the 21st Century: Anthology in library and information science: A festschrift in honor of professor Blessing Esuru Ahiauzu. Afrischolar Discovery Repository (Annex). (Apr. 2020). DOI:https://doi.org/10.60787/1Q56-TJ27.