GUEVARA CADENA, S. P.; LONDOÑO PEÑA, D. A.; SÁNCHEZ PALLO, E. R. Analysis of emotional responses to promotional videos: a case study with first-cycle students from the Faculty of Administrative and Economic Sciences at the Technical University of Cotopaxi. Visionario Digital, v. 10, n. 1, p. 23-42, 9 Feb. 2026.