Helmiyah, S., Fadlil, A. and Yudhana, A. (2019) “Pengenalan Pola Emosi Manusia Berdasarkan Ucapan Menggunakan Ekstraksi Fitur Mel-Frequency Cepstral Coefficients (MFCC)”, CogITo Smart Journal, 4(2), pp. 372–381. doi: 10.31154/cogito.v4i2.129.372-381.