OWUSU, D. K.; P. K. OTCHERE; W. OPARE. Design and Implementation of Remote-Controlled Lawn Mower Using Dual-Tone Multi-Frequency Technology. International Journal of Electrical Engineering and Applied Sciences (IJEEAS), [S. l.], v. 6, n. 2, 2023. Disponível em: https://ijeeas.utem.edu.my/ijeeas/article/view/6146. Acesso em: 18 oct. 2024.