Киселев, Ю., Шлапак, В., Парахненко, В. and Черныш, В. 2021. STUDY OF THE PROBLEM OF ALIEN FLORA IN UKRAINE AND IN THE WORLD. SWorldJournal. 3, 07-03 (Mar. 2021), 99–104. DOI:https://doi.org/10.30888/2663-5712.2021-07-03-076.