Pakyurek, M. ., M. Atmis, S. Kulac, and U. . Uludag. “Extraction of Novel Features Based on Histograms of MFCCs Used in Emotion Classification from Generated Original Speech Dataset”. Elektronika Ir Elektrotechnika, vol. 26, no. 1, Feb. 2020, pp. 46-51, doi:10.5755/j01.eie.26.1.25309.