ŚWIADEK, A.; GORĄCZKOWSKA, J. Sources, Obstacles and Effects of Innovation Activities in the Lubuskie Region in 2009-2011 – Probit Modeling. Oeconomia Copernicana, [S. l.], v. 4, n. 1, p. 79–99, 2013. DOI: 10.12775/OeC.2013.006. Disponível em: https://apcz.umk.pl/OeC/article/view/OeC.2013.006. Acesso em: 18 jul. 2024.