Erdoğan, N., ve İrfan Erdoğan. “A Critical Analysis of the Established Explanations about the Nature of Ecotourism”. İşletme Araştırmaları Dergisi, c. 4, sy 4, Haziran 2021, ss. 13-30, https://isarder.org/index.php/isarder/article/view/86.