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ÁLVAREZ GARCÍA, Rubén Darío. Presentación. Semestre Económico, [S. l.], v. 20, n. 45, p. 17–19, 2017. Disponível em: https://revistas.udem.edu.co/index.php/economico/article/view/2517. Acesso em: 24 ene. 2025.