Khrisne, Duman Care, 		Suyadnya, I Made Arsa, 		Nugraha, I Putu Elba Duta, AND 		Hendrawati, Theresia.
" Customer Satisfaction Classification Based on Face Emotion Recognition and Speech Emotion Recognition" <em>Journal of Electrical, Electronics and Informatics</em> [Online], Volume 8 Number 2 (30 December 2024)