AU  - Kothari,C.R..
TI  - Research Methodology, Methods & Techniques / 
SN  - 812 7328 036 3
U1  - 910.07 
PY  - 1990///
CY  - N.Delhi-110002
PB  - New Age International (P) Ltd.l , 
KW  - Geography
N1  - NULL
ER  -