TULINA, E. Y. Legal regulation of introduction in Ukraine. Problems of Legality, [S. l.], n. 154, p. 186–197, 2021. DOI: 10.21564/2414-990X.154.234134. Disponível em: http://plaw.nlu.edu.ua/article/view/234134. Acesso em: 25 jan. 2022.