Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/vhosts/revistas.udem.edu.co/httpdocs/plugins/generic/citationStyleLanguage/CitationStyleLanguagePlugin.inc.php on line 322

Álvarez García, R. D. (2017). Presentación. Semestre Económico, 20(45), 17–19. Recuperado a partir de https://revistas.udem.edu.co/index.php/economico/article/view/2517