A, A., and I. Z. (Zhari Ismail). “Isolation and Characterization of Gallic Acid, Quercetin and Methyl Dehydrochebulate from Phyllanthus Niruri (Dukung Anak)”. Malaysian Journal of Science, vol. 24, no. 1, Jan. 2005, pp. 121-3, https://samudera.um.edu.my/index.php/MJS/article/view/8943.