TY  - BOOK
AU  - Landsheere,Gilbert de
ED  - UNESCO
ED  - UNICEF
ED  - WFP UNICEF. Programa de Alimentación Mundial
TI  - Pre-school education in developing countries: an expert's overview; a resourcedocument 
PY  - 1979///
CY  - Paris, New York, Rome
PB  - UNESCO, UNICEF, EFP
ER  -