Alfalah, W. (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