Prof. MAnica De Aquino Galeano Massera Da Hora, and Rodrigo Sanguedo Baptista. 2013. “Estimated Ecological Flow of the PRETO River by the Wetted Perimeter Method”. Global Journals of Research in Engineering 13 (E7):9-12. https://engineeringresearch.org/index.php/GJRE/article/view/880.