Ortiz Pérez L. Phillippe van Parjis, what is a just society ? Introduction to the practice of political philosophy, Buenos Aires, Nueva Visión, 1991, 255p. PyG. 1995;2(1):165-167. Accessed October 13, 2026. http://politicaygobierno.cide.edu/index.php/pyg/article/view/603