Utomo, Agung Prasetyo, Anggara Trisna Nugraha, and Naufal Praska Zakariz. “Speed Adjustment on Variable Frequency Induction Motor Using PLC for Automatic Polishing Machine”. Indonesian Journal of Electronics, Electromedical Engineering, and Medical Informatics 3, no. 2 (August 17, 2025): 70–75. Accessed April 5, 2026. http://www.ijeeemi.org/index.php/ijeeemi/article/view/200.