BARAN , R.Ya. DEVELOPMENT OF E-COMMERCE MODELS AND ITS CURRENT CHALLENGES. The actual problems of regional economy development, [S. l.], v. 1, n. 13, p. 77–88, 2017. DOI: 10.15330/apred.1.13.77-88. Disponível em: https://personnel.pnu.edu.ua/index.php/aprde/article/view/2778. Acesso em: 21 nov. 2024.