Mishra, S. M., A. K. Pathak, and P. K. Sharma. “Determination of Total Phenolic Content and DPPH Radical Scavenging Activity of Euphorbia Hirta”. Current Research in Pharmaceutical Sciences, Vol. 4, no. 3, Sept. 2014, pp. 84-86, https://crpsonline.com/index.php/crps/article/view/128.