GONZÁLEZ YANNUZZELLI, Jorge Luis. Bibliographic review on the evolution of marketing communication: challenges and opportunities for entrepreneurial ventures in an Ecuadorian city . EKSIGMA Ecuadorian Journal of Scientific Knowledge, [S. l.], v. 1, n. 1, p. 21–33, 2025. Disponível em: https://eksigma.com/index.php/principal/article/view/15. Acesso em: 28 jul. 2026.