M. Shohidul Islam, Md. Jashim Uddin, S.M.A. Rahim, Md. Abdul Al Mohit,. 2017. “Comparative Study Between MFCC and LP-Mel Based Front-Ends for Noisy Speech Recognition Using HMM”. International Journal of Engineering and Computer Science 2 (03). india. http://ijecs.in/index.php/ijecs/article/view/492.