Okon, Emmanuel O. “Business Development in Nasarawa State: Effect of Poor Sanitation and Waste Management System”. International Journal of Economics, Business and Management Studies 3, no. 1 (June 16, 2016): 36–46. Accessed January 10, 2025. https://mail.onlinesciencepublishing.com/index.php/ijebms/article/view/197.