Ekinci, Celil Gokay, Mehmet Tolga Taner, and Engin Erbas. “Integration of Six Sigma Methodology to Reduce Complications in a Private Hemodialysis Center”. International Review of Management and Marketing 5, no. 1 (January 25, 2015): 36–44. Accessed November 15, 2024. https://econjournals.com./index.php/irmm/article/view/1072.