TY  - BOOK
AU  - Kothari, C. R.
TI  - Research methodology: Methods and techniques 
SN  - 8173280363
U1  - 300.72 22
PY  - 1990///
CY  - New Delhi
PB  - Wishwa Prakashan
KW  - Social science
KW  - Research
KW  - Methodology
ER  -