Arthur, J. L., K. Amofah, and A. Owusu-Banahene. “Assessing the Effectiveness of National Service Scheme: Exploring the Perceptions of Service Personnel in the Sunyani Municipality of Ghana”. International Review of Management and Marketing, vol. 6, no. 1, Jan. 2016, pp. 16-22, https://econjournals.com/index.php/irmm/article/view/1201.