KHRISNE, Duman Care et al. Customer Satisfaction Classification Based on Face Emotion Recognition and Speech Emotion Recognition. Journal of Electrical, Electronics and Informatics, [S.l.], v. 8, n. 2, p. 47-51, dec. 2024. ISSN 2622-0393. Available at: <http://103.29.196.112/index.php/jeei/article/view/122556>. Date accessed: 16 dec. 2025.