[1]
Okpala, C.O. and Okpala, A.O. 2014. Cooperative Learning Structure: Catalyst for Effective Learning for Adult Learners in Higher Education. Contemporary Issues in Education Research (CIER). 7, 4 (Sep. 2014), 259–268. DOI:https://doi.org/10.19030/cier.v7i4.8839.