Alfalah, Win. 2018. “PENINGKATAN SIFAT MEKANIK MATERIAL RING PISTON NON ORIGINAL MESIN PADA MESIN DIESEL MITSUBISHI-MAN 18 V52/55A PLTD TELLO UNIT 1”. JURNAL POWERPLANT 6 (2):99-108. https://doi.org/10.33322/powerplant.v6i2.399.