Pasierbek, Tomasz, Lyubomir Bezruchko, Rakos Juraj, and Yuriy Zhuk. 2021. “Organization of Nature Protection System and the Quality of Management in National Parks - Contribution to the Discussion”. Ekonomia I Środowisko - Economics and Environment 79 (4):183-203. https://doi.org/10.34659/2021/4/35.