ZAWILIŃSKA, Bernadetta. The Economic Value of Protected Areas - An Outline of the Issues and Research Methodology. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, Krakow, n. 12(936), p. 113–129, 2015. DOI: 10.15678/ZNUEK.2014.0936.1208. Disponível em: https://aoc.uek.krakow.pl/index.php/krem/article/view/677.. Acesso em: 20 sep. 2024.