TY  - BOOK
AU  - Sachs,Ignacy
TI  - Planning and economic development
T2  - Studies on developing countries
AV  - HC59 S323
PY  - 1964///
CY  - Warazawa
PB  - Pwn-polish scientific publs
KW  - Desarrollo económico
KW  - Países en desarrollo
ER  -