Tekin, Mehmet, and Şeyda Akdere. “Anatomical Investigations of the Turkish Critically Endangered Species: Achillea Sivasica Çelik Et Akpulat (Asteraceae)”. Acta Botanica Croatica 80, no. 1 (March 31, 2021): 91–98. Accessed December 4, 2022. https://www.abc.botanic.hr/index.php/abc/article/view/2879.