TY  - BOOK
AU  - Aggarwal,R.S.
AU  - Aggarwal,Vikas
TI  - PSA for class 9
SN  - 9789350270936 (pbk.)
U1  - 153.430287 22
PY  - 2013///
CY  - New Delhi
PB  - Bharati Bhawan
KW  - Problem solving
KW  - Testing
KW  - Educational tests and measurements
N1  - Problem-solving assessment
ER  -