Zanjbeel Tabassum and Cahit Ali Bayraktar and Asfa Muhammad Din and Murat Durucu, Analysis of Critical Success Factors of Six Sigma in Pakistani Small and Medium-Sized Enterprises. journal = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2016, vol. 116(8). 2882 - 2886 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10005250.