Oluwatosin, Ruth Owolabi. “Assessment of Procurement System and Quality Service Delivery In Nasarawa State Public Sector, Nasarawa State”. Nigerian Journal of Sustainability Research 4, no. 1 (March 9, 2026): 361–386. Accessed October 23, 2026. https://njsr.com.ng/index.php/home/article/view/69.