WASET
    Pedro H. S. Messetti and  Mary L. G. S. Senna and  Afonso R. Aquino,  Sustainable Perspectives and Local Development Potential through Tourism.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2015, vol. 104(8). 2809 - 2812
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10002106.