TY  - BOOK
AU  - Kothari, R.C
TI  - Research methodology : : methods & techniques 
SN  - 8173280363
AV  - H62.6 1990 
PY  - 1990///
CY  - New Delhi
PB  - New Age international Ltd
KW  - Research Methods
N1  - includes bibliography and index
ER  -