EJSMONT, Aneta. Coopetition as the Factor of Increasing Level of Innovativeness in the SME Sector in Poland. Oeconomia Copernicana, [S. l.], v. 5, n. 4, p. 45–60, 2015. DOI: 10.12775/OeC.2014.026. Disponível em: https://apcz.umk.pl/OeC/article/view/OeC.2014.026. Acesso em: 8 jul. 2025.