Dewantoro, P. A., Narto, A., & Utari, R. (2024). Analysis Of Not Rotating Valve Rotator On Main Engine Performance In KM. LABOBAR. Jurnal Sains Teknologi Transportasi Maritim, 6(2), 85–90. https://doi.org/10.51578/j.sitektransmar.v6i2.92