Davydova, Iryna, Yurii Orzikh, Georgiy Samoylenko, Ihor Andronov, and Maryna Pysarenko. 2019. “Legal Consequences of the Invalidity of a Transaction Made by Using Information Technology: Problems of Theory and Practice”. Amazonia Investiga 8 (19), 613-19. https://www.amazoniainvestiga.info/index.php/amazonia/article/view/276.