ELECTRONIC COMMERCE AND PROBLEMS RELATED TO ECOMMERCE AND E-PAYMENT SYSTEM. Journal of Media studies, [S. l.], v. 53, n. 2, p. 12–19, 2020. DOI: 10.47344/sdubss.v53i2.322. Disponível em: https://jms.sdu.edu.kz/index.php/jms/article/view/43.. Acesso em: 25 aug. 2025.