@article{Madeira_Carvalho_Miguel Moreira_Duarte_de São Pedro Filho_2017, title={Barriers to Innovation and the Innovative Performance of Portuguese Firms}, volume={9}, url={http://revistas.up.edu.pe/index.php/business/article/view/822}, DOI={https://doi.org/10.21678/jb.2017.822}, number={1}, journal={Journal of Business, Universidad del Pacífico (Lima, Peru)}, author={Madeira, Maria José and Carvalho, João and Miguel Moreira, Jacinta Raquel and Duarte, Filipe AP and de São Pedro Filho, Flávio}, year={2017}, month={Oct.}, pages={2-22}