[1]
D. M. Delgado Agudelo, D. F. Girón Timaná, G. E. Chanchí Golondrino, and K. Márceles Villalba, “Proposal of a tool for the estimation of satisfaction in user tests, from facial expression analysis”, Rev. colomb. comput., vol. 19, no. 2, pp. 6–15, Dec. 2018.