@BOOK{ Book!D - 77816220,
AUTHOR = "edited by Ralf Buckley",
TITLE = "Environmental impacts of ecotourism",
LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد",
SUBJECT = "Environmental aspects ، Ecotourism,، Ecotourism",
URL = "/book/77816220/Environmental-impacts-of-ecotourism/"}