Sinaga, H. “Uji Daya Hambat Infusa Mahkota Bunga Rosella (Hibiscus Sabdariffa L.) Terhadap Bakteri Escherichia Coli Dan Staphylococcus Aureus”. Herbal Medicine Journal, Vol. 2, no. 2, Apr. 2021, pp. 38-44, doi:https://doi.org/10.58996/hmj.v2i2.26.