TRACHENKO, Liudmyla; WEIS, Lidija. Development of conceptual model as a means of forming effective quality management systems for engineering services enterprises. Economics Ecology Socium, [S. l.], v. 3, n. 3, p. 82–93, 2019. DOI: 10.31520/2616-7107/2019.3.3-10. Disponível em: https://ees-journal.com/index.php/journal/article/view/116. Acesso em: 15 jul. 2026.