Andriyenko, O. D., O. A. Opalko, and A. I. Opalko. “Current Trends in the Genus Amelanchier Medik. System Improvement”. Cherkasy University Bulletin: Biological Sciences Series 352, no. 19 (January 22, 2016). Accessed May 16, 2026. https://bio-ejournal.cdu.edu.ua/article/view/95.