Maarif, Alfian, Riky Dwi Puriyanto, and Fadlur Rahman T. Hasan. “Robot Keseimbangan Dengan Kendali Proporsional-Integral-Derivatif (PID) Dan Kalman Filter”. IT Journal Research and Development 4, no. 2 (February 25, 2020). Accessed May 3, 2024. https://journal.uir.ac.id/index.php/ITJRD/article/view/3900.