TY  - BOOK
AU  - Workshop On PreSchool Research , 1981 (Bogota)
ED  - Workshop On PreSchool Research , 1981 (Bogota)
TI  - Proceedings :  preventing school failure 
U1  - T13p1,N81, M3 
PY  - 1983///
CY  - Ottawa
PB  - International Development Research Centre    
KW  - EDUCATION
ER  -