“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, vol. 6, no. 3, July 2023, pp. 1142-60, https://doi.org/10.36490/journal-jps.com.v6i3.185.