Marbun, Ade Putrianti, et al. “Phytochemical Screening, Activity Antioxidant and Activity Test of Antimicrobials Ethanol Extract of Gagatan Harimau Leaves (Paraboea Leuserensis B.L Burtt) ”. Jurnal Penelitian Pendidikan IPA, vol. 10, no. 12, Dec. 2024, pp. 10909-16, doi:10.29303/jppipa.v10i12.8428.