TY  - BOOK
AU  - Grewal, Avinash  .
TI  - Hypothesis and testing abilites / 
SN  - 81-85316-05-8
U1  - T48 
PY  - 1988///
CY  - Agra : 
PB  - National Psychological Corporation , 
KW  - Education-Hypothesis making-Ability testing
ER  -