TY  - BOOK
AU  - Hagen,Everett Einar
ED  -  Massachusetts Institute of Technology. 
TI  - On the theory of social change: : how economic growth begins / 
U1  - 301.24 
PY  - 1962///
CY  - Homewood, Ill.: 
PB  - Dorsey Press, 
KW  - Economic development
KW  - Social aspects
KW  - Social change
N1  -  A study from the Center for International Studies, Massachusetts Ins titute of Technology;  Includes bibliographical references
ER  -