DILEEP, M. R. Sustainable Tourism Development: the Case of Periyar Tiger Reserve. Atna Journal of Tourism Studies, [S. l.], v. 1, n. 1, p. 133-140, 2006. DOI: 10.12727/ajts.1.13. Disponível em: https://journals.christuniversity.in/index.php/atna/article/view/1142. Acesso em: 3 may. 2024.