Arif Mazumder, Mohammed, and Rosalina Abdul Salam. “A Normalized Least Mean Square and Dynamic Time Warping (DTW) Algorithm for an Intelligent Quran Tutoring System”. International Journal of Engineering & Technology, vol. 7, no. 4.15, Oct. 2018, pp. 486-90, https://doi.org/10.14419/ijet.v7i4.15.25761.