BARABÁS, Andrea; BACSKAI, Katinka. The impact of preparatory classes on future student performance: Competency assessment experiences of Hungarian students in Covasna County. Central European Journal of Educational Research, [S. l.], v. 7, n. 2, p. 37–47, 2025. DOI: 10.37441/cejer/2025/7/2/16477. Disponível em: https://ojs.lib.unideb.hu/CEJER/article/view/16477. Acesso em: 5 jun. 2026.