Razak K, A., M. A, A. S, and M. Zaini A. “Antihyperglycaemic Effects of Ethanol Extracts of Andrographis Paniculata on Streptozotocin-Induced Diabetic Rats”. Malaysian Journal of Science, vol. 24, no. 1, Jan. 2005, pp. 155-9, https://samudera.um.edu.my/index.php/MJS/article/view/8954.