TY  - JOUR
AU  - Bruno Scheja
TI  - Changes in mathematical competencies in central examinations? - A longitudinal study of the Polish A-level examination in mathematics
JO  - Didactica Mathematicae
PY  - 2023
SP  -  53
EP  - 88
VL  - 45
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/dm.v45i0.7287/
DO  - 10.14708/dm.v45i0.7287
LA  - pl
ID  - 10_14708_dm_v45i0_7287
ER  -