Taner, Mehmet Tolga, Ibrahim Sahbaz, Gamze Kagan, Kamal Atwat, and Engin Erbas. “Development of Six Sigma Infrastructure for Strabismus Surgeries”. International Review of Management and Marketing 4, no. 1 (December 26, 2013): 49–58. Accessed December 25, 2024. https://econjournals.net.tr/index.php/irmm/article/view/672.