“Korelasi Kadar Fenol Dan Flavonoid Terhadap Indeks Aktivitas Antioksidan Ekstrak Batang Vernonia Amygdalina: Correlation of Phenol and Flavonoid Content With Antioxidant Activity Index of Vernonia Amygdalina Stem Extracts”. Jurnal Sains dan Kesehatan 5, no. 5 (November 15, 2024): 652–658. Accessed May 9, 2025. http://jsk.ff.unmul.ac.id/index.php/JSK/article/view/561.