Xefteris, S., N. Doulamis, V. Andronikou, T. Varvarigou, and G. Cambourakis. “Behavioral Biometrics in Assisted Living: A Methodology for Emotion Recognition”. Engineering, Technology & Applied Science Research 6, no. 4 (August 26, 2016): 1035–1044. Accessed April 6, 2025. https://mail.etasr.com/index.php/ETASR/article/view/634.