Baran R.Yа. APPROACHES TO CLASSIFICATION OF E-COMMERCE SYSTEMS INFRASTRUCTURE. The actual problems of regional economy development, [S. l.], v. 1, n. 14, p. 58–65, 2018. DOI: 10.15330/apred.1.14.58-65. Disponível em: https://journals.pnu.edu.ua/index.php/aprde/article/view/2263. Acesso em: 4 dec. 2024.