Sasidhar, Sirigereddy, Arekallu Nagamani, K T Prashanthi, and Shaik Farzana. “DTMF BASED CONTROLLED ROBOT VEHICLE”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 10, no. 3 (December 13, 2019): 1256–1265. Accessed May 18, 2024. https://www.turcomat.org/index.php/turkbilmat/article/view/14512.