Pratomo, G. S., N. Chusna, and M. Priyadi. “Uji Potensi Daya Hambat Ekstrak Metanol Biji Jintan Hitam (Nigella Sativa L.) Terhadap Bakteri Streptococcus: Inhibitory Potential Test of Black Cumin Seeds (Nigella Savita L.) Methanol Exstract Against Streptoccus Bacteria”. Jurnal Surya Medika (JSM), vol. 6, no. 1, Aug. 2020, pp. 18-21, doi:10.33084/jsm.v6i1.1615.