000
00227nam a22000857a 4500
008
160909b xxu||||| |||| 00| 0 eng d
100
_9
347
_a
Renu Verma
245
_a
Science-IX
_b
Term-II
260
_a
New Delhi
_b
S.Chand publication
_c
2012
999
_c
3007
_d
3007