Ubillús, José Armando Tiznado, José Alfredo Herrera Quispe, Luis Antonio Rivera Escriba, Marysela Ladera-Castañeda, César Augusto Atoche Pacherres, Miguel Ángel Atoche Pacherres, and Carmen Lucila Infante Saavedra. “Algorithms Used for Facial Emotion Recognition: A Systematic Review of the Literature”. EAI Endorsed Transactions on Pervasive Health and Technology 9 (October 24, 2023). Accessed May 19, 2024. https://publications.eai.eu/index.php/phat/article/view/4214.