Barriers to Innovation and the Innovative Performance of Portuguese Firms. Journal of Business, Universidad del Pacífico (Lima, Peru), [S. l.], v. 9, n. 1, p. 2–22, 2017. DOI: 10.21678/jb.2017.822. Disponível em: https://revistas.up.edu.pe/business/article/view/822. Acesso em: 26 aug. 2026.