A Dawande, Anilkumar, and Sanjay Sahay. “COPPER SULPHATE ELICITATION OF OPTIMIZED SUSPENSION CULTURE OF ANDROGRAPHIS PANICULATA NEES YIELDS UNPRECEDENTED LEVEL OF ANDROGRAPHOLIDE”. Journal of microbiology, biotechnology and food sciences 9, no. 4 (February 3, 2020): 688–694. Accessed September 29, 2026. https://office2.jmbfs.org/index.php/JMBFS/article/view/8972.