CLAUDIA - NICOLETA PĂUN , ADRIAN COSTEA. Are Educational Standards Declining? A Comparison Study Before and After COVID-19 in Europe. South Eastern European Journal of Public Health, [S. l.], p. 1596–1603, 2024. DOI: 10.70135/seejph.vi.2930. Disponível em: https://seejph.com/index.php/seejph/article/view/2930. Acesso em: 17 feb. 2026.