Veruska C. Dutra and Mary L. G. S. Senna, Environmental Science: A Proposal for Constructing New Knowledge for Ecotourism Itineraries. journal = {International Journal of Social and Business Sciences}, [online]. World Academy of Science, Engineering and Technology. May 2017, vol. 127(7). 1719 - 1723 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/10007342.