Heriyanto, H., and D. A. . Irawati. “Comparison of Mel Frequency Cepstral Coefficient (MFCC) Feature Extraction, With and Without Framing Feature Selection, to Test the Shahada Recitation”. RSF Conference Series: Engineering and Technology, vol. 1, no. 1, Nov. 2022, pp. 335-54, doi:10.31098/cset.v1i1.395.