TY  - BOOK
AU  - Sorokin, Pitirim.
TI  - Contemporary sociological theories
U1  - 301.01 
PY  - 1978///
CY  - New Delhi: 
PB  - Kalyani Publishers, 
KW  - Demographic school
KW  - Geographical school
KW  - Social phenomena
KW  - Sociology
ER  -