TY  - BOOK
AU  - Kothari, C R  .
TI  - Research methodology: Methods and techniques / 
SN  - 81-7328-036-3
U1  - 001.42 
PY  - 1989///
CY  - New Delhi : 
PB  - Wishwa Prakashan , 
N1  - 19169 CSS
ER  -