IOP Conference Series: Earth and Environmental Science PAPER • OPEN ACCESS Ecotourism: An alternative of socio-ecological crisis? To cite this article: M Syam et al 2019 IOP Conf. Ser.: Earth Environ. Sci. 241 012017 View the article online for updates and enhancements. This content was downloaded from IP address 103.119.66.45 on 29/03/2019 at 03:55