СМИРНОВА, А.; АНТЫШЕВА, Е. OPTIONS FOR ONLINE CHECKOUT. SWorldJournal, [S. l.], v. 4, n. 08-04, p. 23–27, 2021. DOI: 10.30888/2663-5712.2021-08-04-066. Disponível em: https://sworldjournal.com/index.php/swj/article/view/swj08-04-066. Acesso em: 2 may. 2024.