URBONAVIČIUS, Sigitas. Marketing Aspects of ISO System Implementation. Ekonomika, [S. l.], v. 65, p. 124–138, 2004. DOI: 10.15388/Ekon.2004.17346. Disponível em: https://www.journals.vu.lt/ekonomika/article/view/17346.. Acesso em: 6 may. 2024.