HALBART, G.; COLLIGNON, J. La gestion de l’entreprise dans l’esprit de la recherche scientifique. JORBEL - Belgian Journal of Operations Research, Statistics, and Computer Science, [S. l.], v. 3, n. 3-4, p. 11–24, 1963. Disponível em: https://www.orbel.be/jorbel/index.php/jorbel/article/view/459. Acesso em: 24 apr. 2024.