Safitri, D. et al. 2022. OBSERVASI SIFAT, KANDUNGAN KIMIA & KADAR DEBU DI PT. SEMEN BATURAJA. Jurnal Multidisipliner Bharasumba. 1, 04 (Oct. 2022), 445–461. DOI:https://doi.org/10.62668/bharasumba.v1i04.296.