Neelima, T. L., et al. “Survey on Awareness of Parthenium Infestation and Its Ill Effects in Andhra Pradesh, India”. International Journal of Bio-Resource and Stress Management, vol. 1, no. Sep, 2, Sept. 2010, pp. 63-65, https://ojs.pphouse.org/index.php/IJBSM/article/view/57.