Yosi Darmirani, Wibman Tambunan, and Debi Meilani , Trans., “Detection of Antibacterial Fraction of Ethanol Extract of Folium Sambung Nyawa (Gynura procumbens) in Salmonella typhi”, jisk, vol. 4, no. 3, pp. 6–11, Dec. 2023, doi: 10.52622/jisk.v4i3.02.