[1]
H. Sujono, S. Rizal, S. Purbaya, and J. Jasmansyah, “Antibacterial Activity of the Essential Oil from Betel leaf (Piper betle L.) against Streptococcus pyogenes and Staphylococcus aureus”, JKK, vol. 2, no. 1, pp. 30-36, May 2019.