NETHRAVATHI P. S.; AITHAL P. S. Real-Time Customer Satisfaction Analysis using Facial Expressions and Head Pose Estimation. International Journal of Applied Engineering and Management Letters (IJAEML), [S. l.], v. 6, n. 1, p. 301–312, 2022. DOI: 10.47992/IJAEML.2581.7000.0138. Disponível em: https://srinivaspublication.com/journal/index.php/ijaeml/article/view/1449. Acesso em: 3 jul. 2024.