TY  - BOOK
AU  - Kothari, C R
TI  - Research Methodology : : methods and techniques 
SN  - 9788122415223 (pbk.)
U1  - 001.42 KOT 
PY  - 2008///
CY  - New Delhi
PB  - New Age International
KW  - Research Methodology
KW  - Sample design
KW  - Variance and covariance analysis
ER  -