Grzegorczyk, Filip, and Jerzy Hejnar. 2015. “Board Member Independence As a Legal Requirement in Statutory Audits”. Krakow Review of Economics and Management Zeszyty Naukowe Uniwersytetu Ekonomicznego W Krakowie, no. 5(929) (November): 75-92. https://doi.org/10.15678/ZNUEK.2014.0929.0505.