TY  - BOOK
AU  - Hagen, Everett E
TI  - On the theory of social change: how economic growth begins
U1  - 301.24 21st
PY  - 1962///
CY  - Illinois
PB  - Dorsey Press
KW  - Social change; Social problems; Economic development-Sociological aspects; Technological innovations
N1  - A study from the centre for international studies/Massachusetts Institute of Technology
ER  -