References
- Ellen MacArthur Foundation. 2017. What is a circular economy? Retrieved February 24, 2018, from https://www.ellenmacarthurfoundation.org/circular-economy
- United Nations. 2015. Transforming our world: The 2030 agenda for sustainable development. Retrieved February 24, 2018, from https://sustainabledevelopment.un.org/post2015/transformingourworld
- United Nations World Tourism Organization. 2016. Transformative tourism for our sustainable future. Retrieved February 24, 2018, from http://cf.cdn.unwto.org/sites/all/files/pdf/global_report_transformative_power_tourism_v5.compressed_2.pdf