ASSESSMENT OF THE LEVEL OF USE OF DIGITAL PLATFORMS AND E-COMMERCE SYSTEMS BY SMALL BUSINESSES AND THEIR IMPACT ON THEIR ECONOMIC EFFICIENCY. European Journal of Economics, Finance and Business Development, [S. l.], v. 4, n. 4, p. 78–85, 2026. Disponível em: https://europeanscience.org/index.php/2/article/view/1731. Acesso em: 12 may. 2026.