Thomas, A., Davies, A., Ringwald, K., Parfitt, S., & John, E. (2014). An empirical analysis of Lean Six Sigma implementation in SMEs – a migratory perspective. International Journal of Quality & Reliability Management, 31(8), pp. 888-905. doi:10.1108/ijqrm-04-2013-0070

Thomas, Andrew, Alan Davies, Kath Ringwald, Scott Parfitt, and Elwyn John. "An Empirical Analysis of Lean Six Sigma Implementation in SMEs – a Migratory Perspective." International Journal of Quality & Reliability Management 31, no. 8 (2014): 888-905.

Thomas, Andrew, et al. "An Empirical Analysis of Lean Six Sigma Implementation in SMEs – a Migratory Perspective." International Journal of Quality & Reliability Management 31.8 (2014): 888-905.