LAJCZYKOVÁ, M. Effectiveness evaluation of service provided in geology: Introduction of a pilot project EESG. Quality Innovation Prosperity, [S. l.], v. 14, n. 1-2, p. 20–33, 2011. DOI: 10.12776/qip.v14i1-2.31. Disponível em: https://qip-journal.eu/index.php/QIP/article/view/31. Acesso em: 21 apr. 2021.