SAPUTRA, D. I. S.; HANDANI, S. W.; INDARTONO, K.; WIJANARKO, A. SMART-In English: Learn English Using Speech Recognition. Journal of Robotics and Control (JRC), [S. l.], v. 1, n. 4, p. 109–113, 2020. DOI: 10.18196/jrc.1423. Disponível em: https://journal.umy.ac.id/index.php/jrc/article/view/7822. Acesso em: 31 aug. 2025.