Debnath, Saswati, and Pinki Roy. “Audio-Visual Automatic Speech Recognition Using PZM, MFCC and Statistical Analysis”. International Journal of Interactive Multimedia and Artificial Intelligence 7, no. 2 (December 1, 2021): 121–133. Accessed August 3, 2025. https://revistas.unir.net/index.php/ijimai/article/view/632.