Potential of Rhinachanthus nasutus (L.) Kurz Leaves Extract as an Antioxidant and Inhibitor of ?-Glucosidase Activity, Irawan, Candra, Elya Berna, Hanafi Muhammad, and Saputri Fadlina Chany , Pharmacognosy Journal, August 2022, Volume 14, Issue 4, p.373-378, (2022)