Razak K, Abdul, Mariam A, Amirin S, and Mohd Zaini A. 2005. “Antihyperglycaemic Effects of Ethanol Extracts of Andrographis Paniculata on Streptozotocin-Induced Diabetic Rats”. Malaysian Journal of Science 24 (1):155-59. https://samudera.um.edu.my/index.php/MJS/article/view/8954.