YASNI, S., E. SYAMSIR, and E. H. DIREJA. “Antimicrobial Activity of Black Cumin Extracts (Nigella Sativa) Against Food Pathogenic and Spoilage Bacteria”. Microbiology Indonesia, vol. 3, no. 3, Mar. 2010, p. 8, doi:10.5454/mi.3.3.8.