“Rancang Bangun Smart Handle Adaptif Berbasis Internet of Things (IoT) dengan Metode Mel-Frequency Cepstral Coefficients (MFCC) untuk Autentikasi Suara pada Sistem Keamanan Ruangan”, IPSSJ, vol. 3, no. 09 September, pp. 673–680, Sep. 2026, Accessed: Oct. 21, 2026. [Online]. Available: https://ipssj.com/index.php/ojs/article/view/2055