Pereira, P. A. P., D. B. do Nascimento, L. A. Fernandes, M. M. Queiroga, and N. G. de Aguiar. “Polemics Between Right and Left Concerning the Needs, Policies and Social Rights: A Confrontation Between the Ideas of Friedrich Von Hayek and Raymond Plant”. Textos & Contextos (Porto Alegre), vol. 8, no. 1, Aug. 2009, pp. 49-67, https://revistaseletronicas.pucrs.br/ojs/index.php/fass/article/view/5674.