Aiyuba, D. S., A. N. Rakhmatullah, and R. Restapaty. “Uji Aktivitas Antioksidan Ekstrak Metanol Daun Ramania (Bouea Macrophylla Griffith.) Menggunakan Metode DPPH: Antioxidant Activity Test of Methanol Extract of Ramania Leaf (Bouea Macrophylla Griffith.) Using the DPPH Method”. Jurnal Surya Medika (JSM), vol. 9, no. 1, Apr. 2023, pp. 81-87, doi:10.33084/jsm.v9i1.5150.