Wijayanto, Arif, Juvita Herdianty, Luluk Aniqoh Meliana Putri, and Ardhi Broto Sumanto. “Formulation of Fibrauren Tinctoria Lour. Extract Serum, As an Antioxidant With the 1,1-Diphenyl 2-Picryhydrazyl (DPPH) Method”. Open Access Health Scientific Journal 6, no. 2 (August 30, 2025): 330–335. Accessed June 12, 2026. https://oahsj.org/index.php/oahsj/article/view/125.