WAWAK, Sławomir. Classification of Quality Management Methods. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, Krakow, n. 910, p. 37–49, 2015. DOI: 10.15678/krem.780. Disponível em: https://aoc.uek.krakow.pl/index.php/krem/article/view/780.. Acesso em: 20 sep. 2024.