Wahab, Abd., and Mukhlis A. Hamarung. “Rancang Bangun Alat Pelurus Puncher Bar”. Jurnal Engine: Energi, Manufaktur, dan Material 8, no. 1 (May 21, 2024): 64–69. Accessed April 11, 2025. https://ejournal.up45.ac.id/index.php/Jurnal_ENGINE/article/view/1816.