TY  - BOOK
AU  - Kothari, C.R.  .
TI  - Research methodology methods and techniques / 
SN  - 81-7328-036-3
U1  - T48 
PY  - 1990///
CY  - New Delhi : 
PB  - Wishwa Prakashan , 
KW  - Education- Research methodology
ER  -