TOLEDO, Andrés Santiago; ARMAS, Nelly. TIPS de marketing en épocas de COVID y Post COVID. CienciAmérica, Quito, EC, v. 9, n. 2, p. 99–108, 2020. DOI: 10.33210/ca.v9i2.300. Disponível em: https://cienciamerica.edu.ec/index.php/uti/article/view/300.. Acesso em: 28 oct. 2025.