B. SUDNIK-WÓJCIKOWSKA and I. I. MOYSIYENKO, “Flora of kurgans in the forest steppe zone in Ukraine”, CBJ, vol. 6, no. 2, pp. 162–199, Dec. 2010, Accessed: Nov. 15, 2026. Available: https://www.cbj.kspu.edu/index.php/cbj/article/view/562