Anusta Barus, A., Adhinda Chandra Puspita Dewi, Fadilah Bakri, N., Ekalaya Appa, F., Dewi, K. ., & Gunawan, E. (2024). Antioxidant Activity Test of Outstreched Bark Extract (Campnosperma Brevipetiolatum Volkens) using the DPPH Method. International Journal of Pharmaceutical and Bio Medical Science, 4(8), 663–668. https://doi.org/10.47191/ijpbms/v4-i8-01