@article{Oecon-10.2478/amso-2019-0003,
author={Ioan David Legman, Petruța Blaga},
title={Six Sigma Method Important Element of Sustainability},
journal={Acta Marisiensis. Seria Oeconomica},
year={2019},
volume={13},
number={1},
pages={19-34},
publisher={University Press},
DOI={10.2478/amso-2019-0003},
ISSN={2668-3148},
EISSN={2668-3989},
url={https://doi.org/10.2478/amso-2019-0003}
}