Carvalho, Nuno Miguel Castanheira, and Zornitsa Yordanova. “Why Say No to Innovation? Evidence from Industrial SMEs in European Union”. Journal of Technology Management & Innovation 13, no. 2 (August 2, 2018): 43–56. Accessed January 28, 2022. https://www.jotmi.org/index.php/GT/article/view/2440.