Alfiansyah Miftahul Rizky, Anugrah, R. ., & Safaruddin, S. (2022). CALCULATE THERMAL EFFICIENCY OF VERTICAL RAW MILL EQUIPMENT IN BATURAJA II FACTORY PT SEMEN BATURAJA (PERSERO) TBK. Jurnal Multidisipliner Bharasumba, 1(04), 548–559. https://doi.org/10.62668/bharasumba.v1i04.305