F. Saraswati, Y. Angelina, and S. V. Kurniawan, “Comparison of Antibacterial Efficacy between 96% Ethanolic Extracts from Abrus precatorius L. and Piper betle L. Leaves against Escherichia coli”, MKB, vol. 52, no. 2, pp. 69–73, Jun. 2020.