S.Abdul-Hassan El-shebany, W. “Preliminary Biochemical Study of Aqueous, Ethanolic and Alkaloids Extracts of Xanthium Spinosum L”. University of Thi-Qar Journal of Science 1, no. 3 (January 13, 2009): 46–63. Accessed March 29, 2025. https://jsci.utq.edu.iq/index.php/main/article/view/188.