TY  - BOOK
AU  - Heyns, Barbara
TI  - Summer learning and the effects of schooling
SN  - 123465508
CY  - New York
KW  - education planning
KW  - Educational equilisation
KW  - Sceffects
KW  - Summer learning
KW  - Vocational education
KW  - Vocational school
KW  - Vocational training
ER  -