HENRIQUES, I.; BARRETO, A. M. The Impact of the purchase channel on unplanned purchases. Media & Jornalismo, [S. l.], v. 19, n. 34, p. 249-268, 2019. DOI: 10.14195/2183-5462_34_18. Disponível em: https://impactum-journals.uc.pt/mj/article/view/2183-5462_34_18. Acesso em: 4 dez. 2025.