Srebrenkoska, Sara, Atanas Kochov, and Robert Minovski. “Six Sigma and Design of Experiments for Improving the Production of Composite Pipes”. Advanced Technologies and Materials 41, no. 2 (December 23, 2016): 11–18. Accessed October 31, 2024. https://jged.uns.ac.rs/index.php/atm/article/view/jtp.2016.41-2.2.