Teng Ming Qing, et al. “Phytochemical Screening and Free Radical Scavenging Activity of Different Extraction Solvent Polarity of Euphorbia Hirta L”. Journal of Sustainable Natural Resources, vol. 7, no. 1, June 2026, pp. 47-53, https://publisher.uthm.edu.my/ojs/index.php/jsunr/article/view/24482.