Mastura, Tonel Barus, Lamek Marpaung, and Partomuan Simanjuntak. “Isolation and Identification of Iridoid from Water Extract of Leaves of Vitex Pinnata Linn. As Antioxidant”. Asian Journal of Chemistry 30, no. 4 (February 28, 2018): 814–816. Accessed November 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/30_4_23.