DR.PAYAL JAIN; ZATIN GUPTA; MONIKA. A2Z Control System- DTMF Control System. Global Journal of Computer Science and Technology, [S. l.], v. 10, n. 11, p. -, 2010. Disponível em: https://computerresearch.org/index.php/computer/article/view/613. Acesso em: 7 may. 2024.