VYSOTSKA, V.; CHYRUN, L. CONCEPTUAL MODEL OF ELECTRONIC CONTENT COMMERCE SYSTEMS. Radio Electronics, Computer Science, Control, [S. l.], n. 1, 2014. DOI: 10.15588/1607-3274-2014-1-7. Disponível em: http://ric.zntu.edu.ua/article/view/27145. Acesso em: 24 apr. 2024.