Razoki, Ruth Gaby Syahanaya Butar-Butar, Elfia Neswita, Novitaria Br Sembiring, Erida Novriani, Nerly Juli Pranita Simanjuntak, and Enni Halimahtussa’diyah Pakpahan. 2023. “Phytochemical Screening Test and Measurement of Total Flavonoid Levels in Paku (Nephrolepis Biserrata) Extract With N-Hexane, Ethyl Acetate, and Water Fractions”. Journal of Pharmaceutical and Sciences 6 (3):1142-60. https://doi.org/10.36490/journal-jps.com.v6i3.185.