Samawi, G. A., B. K. Abu-Tayeh, F. Yosef, M. Madanat, and M. I. Al-Qatawneh. “Relation Between Total Quality Management Practices and Business Excellence: Evidence from Private Service Firms in Jordan”. International Review of Management and Marketing, vol. 8, no. 1, Jan. 2018, pp. 28-35, https://econjournals.com/index.php/irmm/article/view/5819.