%0 Journal Article %A Bruno Scheja %T Changes in mathematical competencies in central examinations? - A longitudinal study of the Polish A-level examination in mathematics %J Didactica Mathematicae %D 2023 %P 53-88 %V 45 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/dm.v45i0.7287/ %R 10.14708/dm.v45i0.7287 %G pl %F 10_14708_dm_v45i0_7287