Mustapha, Isiaka, Zubairu Umaru Mustapha, and Sakariyau Busra. “Business Cluster and Entrepreneurship Growth in Nigeria: A Systematic Review.”. Journal of Business and Behavioural Entrepreneurship 5, no. 1 (June 17, 2021): 92-108. Accessed May 10, 2025. http://103.8.12.212:33180/unj/index.php/jobbe/article/view/20715.