Saputra, Dhanar Intan Surya, Sitaresmi Wahyu Handani, Kuat Indartono, and Andik Wijanarko. “SMART-In English: Learn English Using Speech Recognition”. Journal of Robotics and Control (JRC) 1, no. 4 (March 30, 2020): 109–113. Accessed August 31, 2025. https://journal.umy.ac.id/index.php/jrc/article/view/7822.