TY  - BOOK
AU  - Kothari,C.R.
TI  - Research methodology: methods & techniques 
SN  - 8173280363 :
AV  - H62 .K68 1990
PY  - 1990///
CY  - New Delhi
PB  - Wishwa Prakashan
KW  - Research
KW  - Methodology
KW  - Social sciences
ER  -