Efficiency Measurement of Digitalization on EU Countries: A Study Based on Data Envelopment Analysis. International Journal of Management, Knowledge and Learning, [S. l.], v. 10, 2021. DOI: 10.53615/2232-5697.10.323-333. Disponível em: https://toknowpress.net/submission/index.php/ijmkl/article/view/50.. Acesso em: 6 jul. 2025.