[Basu, R., Wright, J., 2003. Quality Beyond Six Sigma. Butterworth-Heinemann, Oxford.]Search in Google Scholar
[Breyfogle, F. W., 1999. Implementing Six Sigma: Smarter Solutions Using Statistical Methods. Wiley & Sons, New York.]Search in Google Scholar
[Chinvigai, Ch., Dafaoui, El-M. El Mhamedi, A., 2007. An approach for enhancing process and process interaction capability, 19th International Conference on Production Research.]Search in Google Scholar
[Dziuba, ST., Ingaldi, M., Kadlubek, M., 2016. Use of quality management tools for evaluation of the products' quality in global economy, 16th International Scientific Conference on Globalization and its Socio-Economic Consequences, Rajecke Teplice, University of Zilina, 425-432.]Search in Google Scholar
[Dziuba, ST., Ingaldi, M., Kadlubek, M., 2018. Quality analysis of the steel bars in chosen metallurgical enterprise, 27th International Conference on Metallurgy and Materials (METAL 2018), Ostrava, Tanger, 1893-1898.]Search in Google Scholar
[Harry, M., Schroeder, R., 2005. Six Sigma - using the quality program to improve financial results [in Polish]. Oficyna Wolters Kluwer Business, Kraków.]Search in Google Scholar
[Jagusiak-Kocik, M., 2014. Ensuring continuous improvement processes through standardization in the automotive company. Production Engineering Archives, 2/1, pp. 12–15. Available at: http://dx.doi.org/10.30657/pea.2014.02.04.10.30657/pea.2014.02.04]Open DOISearch in Google Scholar
[Jagusiak-Kocik, M., 2017. PDCA cycle as a part of continuous improvement in the production company - a case study. Production Engineering Archives, 14, pp.19–22. Available at: http://dx.doi.org/10.30657/pea.2017.14.05.10.30657/pea.2017.14.05]Open DOISearch in Google Scholar
[McCarty, Th., Bremer, M., Daniels, L., Gupta, P., 2004. The Six Sigma Black Belt Handbook. McGraw-Hill, New York.]Search in Google Scholar
[Pande, P.S., Holpp, L., 2002. What is Six Sigma? McGraw-Hill Professional, New York.]Search in Google Scholar
[Pande, P.S., Neumann, R.R., Cavanagh, R.R., 2000. The Six Sigma Way. McGraw-Hill, New York.]Search in Google Scholar
[Sokovic, M., Pavletic, D., Kern Pipan, K., 2010. Quality Improvement Methodologies – PDCA Cycle, RADAR Matrix, DMAIC and DFSS. Journal of Achievements in Materials and Manufacturing Engineering, 43, 1, pp. 476-483.]Search in Google Scholar
[Shankar, R., 2009. Process Improvement Using Six Sigma: A DMAIC Guide. ASQ Quality Press, Milwaukee, Wisconsin.]Search in Google Scholar
[Truscott, W., 2003. Six Sigma: Continual Improvement for Businesses. Butterworth Heinemann, Oxford.]Search in Google Scholar
[Webber, L., Wallace, M., 2006. Quality Control for Dummies. John Wiley & Sons, Inc., Hoboken, NJ, pp. 42–43.]Search in Google Scholar