WULANDARI SIAGIAN, T. N.; NUHA, H. H.; YASIRANDI, R. Footstep Recognition Using Mel Frequency Cepstral Coefficients and Artificial Neural Network. Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), v. 4, n. 3, p. 497 - 503, 20 Jun. 2020.