PASLAWSKI, Jerzy. Hybrid flexible approach for Six Sigma implementation in constructional SME. Journal of Civil Engineering and Management, [S. l.], v. 19, n. 5, p. 718–727, 2013. DOI: 10.3846/13923730.2013.804433. Disponível em: https://journals.vilniustech.lt/index.php/JCEM/article/view/3907. Acesso em: 2 jun. 2025.