MUHIT, M. A. Leibniz on Necessary and Contingent Truths. Arts Faculty Journal, [S. l.], v. 4, p. 117–135, 2012. DOI: 10.3329/afj.v4i0.12936. Disponível em: https://www.banglajol.info/index.php/AFJ/article/view/12936. Acesso em: 25 apr. 2024.