TY  - BOOK
AU  - Singh,Y K and Bajpai,R B
TI  - Research methodology:Techniques and trends (vol:2)
SN  - 9788131302576
U1  - 371.26 Sin-R 
PY  - 2007///
CY  - New Delhi
PB  - A P H Publishing corporation
KW  - Educational Tests And Measurements (Evaluation)
ER  -