Prasetyo, D. A. ., and R. L. . Vifta. “Pengaruh Metode Ekstraksi Terhadap Kadar Flavonoid Total Ekstrak Jahe Merah (Zingiber Officinale Var Rubrum): Effect of Extraction Method on Total Flavonoid Level of Red Ginger Extract (Zingiber Officinale Var Rubrum)”. Journal of Holistics and Health Sciences, vol. 4, no. 1, Apr. 2022, pp. 192-01, doi:10.35473/jhhs.v4i1.143.