Azende, Terungwa, Luper Iorpev, and Ivungu John Ayoor. “Welfare Policy of Professors and Academic Excellence for National Development in Nigerian Universities: Cost Implication Analysis”. European Journal of Sustainable Development 8, no. 3 (October 1, 2019): 249. Accessed July 5, 2020. http://ecsdev.org/ojs/index.php/ejsd/article/view/869.