ZMARZŁOWSKI, K.; JAŁOWIECKI, P. EVALUATION OF DIFFERENTIATION IN HIGH SCHOOL EDUCATION SYSTEM IN POLAND IN 1999–2006. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 7, n. 2, p. 13–22, 2008. Disponível em: https://aspe.sggw.edu.pl/article/view/837. Acesso em: 3 may. 2024.