, H. R. P. D. G. K. DTMF Based Bomb Detection with Collision Avoidance Robot. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 6, n. 4, p. 250–254, 2018. DOI: 10.17762/ijritcc.v6i4.1555. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/1555. Acesso em: 24 jan. 2022.