I. INDRAWATI, A. P. ANGGRAINI, and B. IRAWAN, “Dental caries bacterial isolates sensitivity toward water-, ethanolicextract and essential oils of several shallot cultivars (Allium cepa)”, Nusantara Biosci, vol. 9, no. 2, pp. 229–235, May 2017, doi: 10.13057/nusbiosci/n090220.