000
00287nam a22001337a 4500
020
_a
9788184090611
082
_a
540
100
_a
Singh, D. R.
245
_a
Chemistry Practicals Class 11
260
_a
New Delhi
_b
Frank Bros
_c
2006
300
_a
202p
650
_a
Chemistry
942
_c
BK
999
_c
458
_d
458