Alfiansyah Miftahul Rizky, Anugrah R, Safaruddin S. CALCULATE THERMAL EFFICIENCY OF VERTICAL RAW MILL EQUIPMENT IN BATURAJA II FACTORY PT SEMEN BATURAJA (PERSERO) TBK. bharasumba [Internet]. 2022 Oct. 18 [cited 2026 Apr. 20];1(04):548-59. Available from: https://azramedia-indonesia.azramediaindonesia.com/index.php/bharasumba/article/view/305