WASET
    Claudineia Brazil and  Elison Eduardo Jardim Bierhals and  Luciane Teresa Salvi and  Rafael Haag,  Comparative Analysis of the Third Generation of Research Data for Evaluation of Solar Energy Potential.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2019, vol. 147(3). 103 - 113
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10010100.