Larios-Gómez, Emigdio. “The Competitiveness of Marketing in the SME of the Commercial and Services Sector In Latin America: Comparative Mexico-Brazil-Colombia”. Espirales Revista Multidisciplinaria de investigación (May 4, 2019): 225–248. Accessed April 23, 2026. https://www.revistaespirales.com/index.php/es/article/view/721.