Firlej, Krzysztof, and Aleksandra Bargieł. “Modern Management Paradigms As an Element of the Value Enhancement of Companies in the Food Industry”. Krakow Review of Economics and Management Zeszyty Naukowe Uniwersytetu Ekonomicznego W Krakowie, no. 5(929), Nov. 2015, pp. 57-74, https://doi.org/10.15678/ZNUEK.2014.0929.0504.