Taner, Mehmet Tolga, Gamze Kagan, Sezai Celik, Engin Erbas, and Mehmet Kemal Kagan. “Formation of Six Sigma Infrastructure for the Coronary Stenting Process”. International Review of Management and Marketing 3, no. 4 (October 22, 2013): 232–242. Accessed January 10, 2025. https://mail.econjournals.org.tr/index.php/irmm/article/view/624.