ÖZSOY, Volkan Soner. Assessing national digitalization levels using cross efficiency model. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ECONOMICS AND BUSINESS ADMINISTRATION, [S. l.], v. 16, n. 1, p. 25–34, 2025. DOI: 10.46223/HCMCOUJS.econ.en.16.1.4179.2026. Disponível em: https://journalofscience.ou.edu.vn/index.php/econ-en/article/view/4179. Acesso em: 8 feb. 2026.