Isnaeni, Dewi, et al. “Uji Aktivitas Ekstrak Daun Opo-Opo (Desmodium Pulchellum Linn Benth) Sebagai Antibakteri Terhadap Pertumbuhan Streptococcus Viridans Dan Streptococcus Pyogenes: Activity Test of Opo-Opo Leaf Extract (Desmodium Pulchellum Linn Benth) As Antibacterial for the Growth of Streptococcus Viridans and Streptococcus Pyogenes”. Jurnal Sains Dan Kesehatan, vol. 3, no. 2, Apr. 2021, pp. 278-89, doi:10.25026/jsk.v3i2.339.