Velasteguí, Efraín, and Marco Guamangate. “Marketing Publicitario Mipymes.”. Visionario Digital 1, no. 3 (January 6, 2017): 28-40. Accessed May 2, 2025. https://www.cienciadigital.org/revistacienciadigital2/index.php/VisionarioDigital/article/view/255.