Leo Adi Saputra, Santoso, N., Setyana, L. D., & Basuki, B. (2025). Material Failure Analysis of Coil Spring Fracture on The Track Adjuster Excavator PC 78. Jurnal Teknologi Dan Rekayasa Alat Berat, 2(1), 22-26. https://doi.org/10.22146/jtrab.v2i1.15707