Okpokwasili, N. P., and E. Blakes. “Users’ Participation in Acquisition and Users’ Satisfaction With the Information Resources in University Libraries in the South-South Zone of Nigeria”. Journal of Research in Education and Society (JRES) , vol. 5, no. 3, Dec. 2014, pp. 71-85, http://icidr.org.ng/index.php/Jres/article/view/1392.