Rakowska, Anna, and Iwona Mendryk. “Manager Satisfaction and Engagement in Innovative Enterprises – Research Results”. Krakow Review of Economics and Management Zeszyty Naukowe Uniwersytetu Ekonomicznego W Krakowie, no. 4(964), Oct. 2017, pp. 67-80, https://doi.org/10.15678/ZNUEK.2017.0964.0404.