YORKINOY, Haydarova. Currency System Essence and Importance. EUROPEAN JOURNAL OF BUSINESS STARTUPS AND OPEN SOCIETY, [S. l.], v. 4, n. 4, p. 201–203, 2024. Disponível em: http://inovatus.es/index.php/ejbsos/article/view/2991. Acesso em: 20 nov. 2024.