Htun, Yin Hnin Thet, et al. “Master-Slave Synchronization of Robotic Arm Using PID Controller”. Indonesian Journal of Electrical Engineering and Informatics (IJEEI), vol. 11, no. 1, Jan. 2023, pp. 77-87, https://doi.org/10.52549/ijeei.v11i1.4171.