CAMERON, Vinoo. The unified equation by the Proportion 19 (-1:3). International Journal of Applied Mathematical Research, [S. l.], v. 2, n. 2, p. 220–251, 2013. DOI: 10.14419/ijamr.v2i2.692. Disponível em: https://www.sciencepubco.com/index.php/ijamr/article/view/692.. Acesso em: 29 apr. 2024.