Okorie, Oko Ume. “Welfare Service and Staff Productivity in Ignatius Ajuru University of Education, Port Harcourt, Rivers State”. American Journal of Social and Humanitarian Research 5, no. 1 (January 31, 2024): 50–68. Accessed June 7, 2025. https://globalresearchnetwork.us/index.php/ajshr/article/view/2655.