Sinurat, Jhon Patar, Reh Malem Br Karo, dan Rinaldo Berutu. “Determination of Total Flavonoid Content of Saputangan Leaves (Maniltoa grandiflora (A. Gray) Scheff) and Its Ability as Antioxidant”. Jurnal Sains dan Kesehatan 4, no. 3 (November 14, 2024): 275–279. Diakses September 19, 2026. https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/553.