Deshpande, S. B., G. K. O. Michael, U. U. Deshpande, K. S. Mathad, N. V. Karekar, and K. K. Tangod. “Integrating Facial Emotion Recognition, Speech to Text Transcription, and Natural Language Processing for Customer Satisfaction Analysis from Video Reviews”. Engineering, Technology & Applied Science Research, vol. 16, no. 2, Apr. 2026, pp. 34615-22, doi:10.48084/etasr.15095.