Ismail, Rizgar Y., and Saleem E. Shahbaz. “Use of Pollen Morphology Traits for Identifying Species of Centaurea L. Asteraceae in Kurdistan-Iraq”. Science Journal of University of Zakho 8, no. 4 (December 30, 2020): 131–138. Accessed November 22, 2024. https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/754.