“In Vitro Antimicrobial Activity of Bawang Batak Bulbs (Allium Chinense G. Don) Against Methicillin-Resistant Staphylococcus Aureus”, Sumat. Med. J., vol. 2, no. 2, pp. 67–71, Jun. 2019, doi: 10.32734/sumej.v2i2.1065.