S. Sudirman, M. Janna, Herpandi, and I. Widiastuti, “In vitro Inhibitory HMG-CoA Reductase Activity of Purified Polyphenol Compounds from Water Lettuce (Pistia Stratiotes) Leaf Extract: doi.org/10.26538/tjnpr/v6i7.15”, TJNPR, vol. 6, no. 7, pp. 1131–1134, Jul. 2022.