TY  - BOOK
AU  - hagen,everett E., x
AU  - x
TI  - On the theory of social change ; how economic growth begins: x
SN  - x
U1  - 309.2/HAO 
PY  - 1963///
CY  - Homewood
PB  - Dorsey press
KW  - Social surveys
N1  - x
ER  -