Panjaitan, Roma Tua, et al. “CALCULATING THE SPECIFICS OF ENERGY CONSUMPTION CALCINING ZONE ROTARY KILN PT. SEMEN BATURAJA (PERSERO) TBK”. Jurnal Multidisipliner Bharasumba, vol. 1, no. 04, Oct. 2022, pp. 560-71, doi:10.62668/bharasumba.v1i04.311.