TY  - BOOK
AU  - Sinha, S N 
AU  - Brij Lata Kotia
TI  - Research Methodology in Behavioural Science: : modern trends
SN  - 9788170225362
U1  - 001.42 
PY  - 1994///
CY  - New Delhi 
PB  - Concept Publishing Company
ER  -