000 00612nam a2200205Ia 4500
008 160601s9999 xx 000 0 und d
020 _a123465508
100 _aHeyns, Barbara
_935092
245 _aSummer learning and the effects of schooling
260 _aNew York
260 _bacademic press
300 _axviii, 326p; 26cm
650 _aeducation planning
_935093
650 _aEducational equilisation
_935094
650 _aSceffects
_935095
650 _aSummer learning
_935096
650 _aVocational education
_94420
650 _aVocational school
_935097
650 _aVocational training
_910860
999 _c11790
_d11790