1. Hamrol, A.: Strategies and practices of efficient operation. Lean Six Sigma and other (in Polish), (PWN), Warsaw (2015)
2. Czerska, J.: Improving the value stream (in Polish), (Difin), Warsaw (2009)
3. Borkowski, S., Knop, K.: Challenges faced in modern quality inspection. Manag. Prod. Eng. Rev. 7(3), 11–22 (2016)
4. Webber, L., Wallace, M.: Quality Control for Dummies. Wiley, Hoboken (2007)
5. Ulewicz, R.: Practical application of quality tools in the cast iron foundry. Manuf. Technol. 14(1), 104–111 (2014)