Patmasari, Raditiana, Sofia Saidah, A F Akbar, & Rita Magdalena.
" DESIGN AND IMPLEMENTATION OF LEARNING TOOLS TO READ THE BRAILLE LETTERS BASED ON VOICE PROCESSING AND ARDUINO USING MEL FREQUENCY CEPSTRAL COEFFICIENT AND K-NEAREST NEIGHBOR METHOD." <em>JMECS (Journal of Measurements, Electronics, Communications, and Systems)</em> [Online], 6.1 (2020): 28-33. Web.  5 May. 2024