TY  - BOOK
AU  - Pal,Yash
AU  - Pal,Rahul
ED  - National Council of Educational Research and Training (New Delhi, India).
TI  - Discovered questions
SN  - 8174506152(pbk)
U1  - 509.07 
PY  - 2006///
CY  - New Delhi
PB  - National Council of Educational Research and Training
KW  - Discoveries in science
KW  - Study and teaching
N1  - Includes index
ER  -