TY  - BOOK
AU  - Barker, Walter
ED  - Bernard van Leer Foundation
TI  - Early childhood care and education: the challenge / Walter Barker
U1  - R 13.165 BAR -10315   
CY  - Netherlands, 1987.
KW  - Children - Care and hygiene
KW  - Education of children
KW  - EDU
ER  -