Natividade, J., Ferreira, F., Zopounidis, C., Pereira, L., Çipi, A. & Ferreira, J. (2021). Developing a composite index for intrapreneurial orientation in small and medium-sized enterprises: a comprehensive dual methodology. Journal of the Operational Research Society, 72(7), 1674?1687. https://doi.org/10.1080/01605682.2020.1730715