GR. MARGARITIS, S. Evaluation of Upper Secondary Schools on Efficiency and Productivity Change in 2016-2019: Empirical evidence from schools in the region in Central Greece. SPOUDAI Journal of Economics and Business, [S. l.], v. 71, n. 3-4, p. 101–121, 2021. Disponível em: http://spoudai.org/index.php/journal/article/view/100. Acesso em: 22 oct. 2024.