VENTURA, E. Analyse du comportement des détaillants et politique des ristournes. JORBEL - Belgian Journal of Operations Research, Statistics, and Computer Science, [S. l.], v. 3, n. 3-4, p. 35–45, 1963. Disponível em: https://www.orbel.be/jorbel/index.php/jorbel/article/view/461. Acesso em: 23 apr. 2024.