Perdana. Ts, R. (2022) “EFFICIENCY ANALYSIS OF ROTARY KILN EQUIPMENT IN FACTORY II PT. SEMEN BATURAJA (PERSERO) Tbk. REVIEW OF THERMAL EFFICIENCY”, Jurnal Multidisipliner Bharasumba, 1(04), pp. 611–618. doi: 10.62668/bharasumba.v1i04.328.