Anusta Barus, A.; Adhinda Chandra Puspita Dewi; Fadilah Bakri, N.; Ekalaya Appa, F.; Dewi, K. .; Gunawan, E. Antioxidant Activity Test of Outstreched Bark Extract (Campnosperma Brevipetiolatum Volkens) Using the DPPH Method. International Journal of Pharmaceutical and Bio Medical Science 2024, 4, 663-668.