BARBERA BURGOS, Darwin Lenin; ARANA ESPIN, Josue David; HERRERA TAMAYO, Estalin Vicente; ENCALADA TENORIO, Georgina Janeth. Antique marketing vs digital marketing applied to the financial instruments of the Guayaquil Securities Bank. Ecuadorian Science Journal, [S. l.], v. 2, n. 2, p. 9–12, 2018. DOI: 10.46480/esj.2.2.16. Disponível em: https://journals.gdeon.org/index.php/esj/article/view/16.. Acesso em: 18 sep. 2025.