Myrick J, Burkhardt T, Nelms L, Patch S, Yearout R. Professional Perceptions of Six Sigma’s Value. Int J Ind Eng [Internet]. 2009 Aug. 14 [cited 2026 Jun. 19];16(3):234-47. Available from: https://www.ijietap.com/ijietap/index.php/ijie/article/view/269