“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” (2024) Jurnal Sains dan Kesehatan, 5(5), pp. 652–658. doi:10.30872/jsk.v5i5.561.