Hardi, and Ibnu Hajar. 2026. “Analysis of The Causes of Crankshaft Failure In The Komatsu Egs 1200 Diesel Engine at Pt. Pltd Bengkalis”. International Journal of Science and Environment (IJSE) 6 (2):2438-42. https://doi.org/10.51601/ijse.v6i2.765.