KORDOWSKA, Monika. TOURISM ECOSYSTEM SERVICES – AN EXAMPLE OF BIRDWATCHING AT NATURE 2000 SITES. Economics and Environment, Poland, v. 60, n. 1, p. 11, 2017. Disponível em: https://ekonomiaisrodowisko.pl/journal/article/view/243.. Acesso em: 26 dec. 2024.