Umar, Abubakar, Imran Ibrahim Alasan, and Abba Mustapha Mohammed. “SMEs and GDP Contribution: An Opportunity for Nigeria’s Economic Growth”. The International Journal of Business & Management 8, no. 1 (January 31, 2020). Accessed June 2, 2024. http://www.internationaljournalcorner.com/index.php/theijbm/article/view/150960.