Sarifuddin, S. “Analysis Of The Causes Of Cracks In The Cylinder Liner That Cause Non-Optimal Performance Of The Yuchai Yc 6a170c Generator Engine On Board Mv Lagun Mas”. Ranah Research : Journal of Multidisciplinary Research and Development, Vol. 4, no. 4, Sept. 2022, pp. 369-75, doi:10.38035/rrj.v5i4.874.