TY  - BOOK
AU  - Lengyel, Peter (Ed.)
ED  - United Nations Educational, Scientific and Cultural Organisation (Paris)
TI  - Approaches to the science of socio-economic development
U1  - 338.9 21st
PY  - 1971///
CY  - Paris
PB  - UNESCO
KW  - Economic development; Birth control; Urbanization; Human capital; Entreprenurship
ER  -