Darsini, D., & Muklis Nurcholic, A. . (2023). OPTIMALISASI SISTEM WAKTU SERVICE ENGINE DAN P2H PADA ALAT BERAT OHT CAT 777 DI PT. SAPTAINDRA SEJATI SITE ADMO KALIMANTAN SELATAN . Injection: Indonesian Journal of Vocational Mechanical Engineering, 3(2), 52-57. https://doi.org/10.58466/injection.v3i2.1774