Leoni, B.. Introduction to «The Scientific Demonstration». REVISTA PROCESOS DE MERCADO, [S. l.], v. 6, n. 2, p. 291–301, 2009. DOI: 10.52195/pm.v6i2.626. Disponível em: https://procesosdemercado.com/revista/2009/vol-6/num-2/introduction-to-the-scientific-demonstration. Acesso em: 31 mar. 2026.