TY  - BOOK
AU  - Hagen, Everett E
TI  - On The Theory Of Social Change
U1  - 301.24 
PY  - 1900///
CY  - London
PB  - Un Known
KW  - General Stack
KW  - Economic development
KW  - Social aspects
KW  - Social changeSocial sciencesGeneralia
ER  -