ELENA, P.; GLIGORCE, V. 616.SIX SIGMA METHODOLOGY–TOOL FOR IMPROVING THE CAPABILITY OF THE PRODUCTION PROCESS. MECHANICAL ENGINEERING – SCIENTIFIC JOURNAL, [S. l.], v. 37, n. 1-2, p. 41–54, 2020. DOI: 10.55302/MESJ19371-2616041p. Disponível em: https://mesj.ukim.edu.mk/journals/article/view/54. Acesso em: 1 feb. 2026.