TY  - BOOK
AU  - Ruhela, Satyapal
TI  - Samajik Sarvekshan Aur Anusandhan Ke Mool Tatva
PY  - 1970///
PB  - Vikas Publishing House Pvt. Ltd., Delhi
KW  - Sociology
KW  - Social,Survey,Research,Investigation,Hypotheses,Sampling,Data,Analysis
ER  -