Sarifudin, Syaiful Rachman, Khairunnisa, Muhammad Wahyu, Ivan Maududy, Zuraidah, et al. Ball Launching Robot and Object Retriever with V- Belt Method and Robotic Arm Method. etj [Internet]. 2024 Nov. 11 [cited 2024 Dec. 22];9(11):5495-502. Available from: http://everant.org/index.php/etj/article/view/1607