ABDUL RAHIM, M. S. A., & JOHAR, T. D. M. A. (2022). System Development of an Autonomous Lawnmower System Using Ardupilot Mission Planner. Research Progress in Mechanical and Manufacturing Engineering, 2(2), 533-538. https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/4096