Syamsurizal, S., P. D. Pratiwi, R. Novia, S. D. Sitanggang, A. Rani, and M. O. Damayani. “The Antioxidant Potential of Cyrtostachys Renda Blume Fruit and Root Isolate With DPPH Method”. Journal of Pharmaceutical and Sciences, vol. 6, no. 5-si, Dec. 2023, pp. 204-1, doi:10.36490/journal-jps.com.v6i5-si.407.