STAPLETON, Gem; RODGERS, Peter; HOWSE, John; TAYLOR, John. Properties of Euler Diagrams. Electronic Communications of the EASST, [S. l.], v. 7, 2007. DOI: 10.14279/tuj.eceasst.7.92. Disponível em: https://eceasst.org/index.php/eceasst/article/view/1430. Acesso em: 23 nov. 2024.