Sirait, Tri Susanti, Anayanti Arianto, and Aminah Dalimunthe. 2023. “Phytochemical Screening of Cinnamon Bark (Cinnamomum Burmanii) (C. Ness & T. Ness) C. Ness Ex Blume Ethanol Extract and Antioxidant Activity Test With DPPH (2,2-Diphenyl-1-Picrylhydrazyl) Method.”. International Journal of Science, Technology & Management 4 (1), 254-59. https://doi.org/10.46729/ijstm.v4i1.739.