S. G. Lovato Torres, M. M. Acosta Véliz, J. M. Asanza Moreira, and G. M. Saltos Santana, “Impact of digital marketing on customer service in commercial microenterprises in Guayaquil and La Libertad. ”, revTECHNO, vol. 15, no. 1, pp. 203–212, Sep. 2023.