T. M. Thamizh Thentral, Aryan Vyas, Depanjan Maiti, Hrishikesh Sahu, Utkrisht Kumar Verma (2020) “Rescue Robot Based on DTMF ”, International Journal of Advanced Science and Technology, 29(3), pp. 10239 - 10246. Available at: http://sersc.org/journals/index.php/IJAST/article/view/27084 (Accessed: 2May2024).