TY  - BOOK
AU  - Pathak, R.P.  .
TI  - Statistics in educational research / 
SN  - 81-7391-937-2
U1  - T:f 
PY  - 2007///
CY  - New Delhi : 
PB  - Kanishka Publishers, Distributors , 
KW  - Educational research
ER  -