Determination of Phytochemical Constituent, Antioxidant Activity, Total Phenol and Total Flavonoid of Extract Ethanol Phyllanthus emblica Fruit, Halim, B, Syahputra RA, Adenin I, Lubis HP, Mendrofa F, Lie S, and Nugraha SE , Pharmacognosy Journal, February 2022, Volume 14, Issue 1, p.63-67, (2022)