WASET
    Estela Macedo Alves,  Brazilian Environmental Public Policies Analysis.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2014, vol. 88(4). 997 - 1001
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9997929.