M. N. Setia Nusa. 2023. “PATAHNYA PEGAS ULIR KERETA API AKIBAT KELEBIHAN BEBAN = THE BREAKING OF TRAIN SPRING COIL CAUSED BY OVERWEIGHT”. Majalah Ilmiah Pengkajian Industri; Journal of Industrial Research and Innovation 9 (2):59-66. https://doi.org/10.29122/mipi.v9i2.85.