000
00251nam a22000977a 4500
999
_c
11213
_d
11213
008
181009b ||||| |||| 00| 0 eng d
020
_a
9788182966802
100
_a
CBSE
_9
6967
245
_a
MENTOR IN SCIENCE X
260
_a
NEW DELHI
_b
Arya publicayion
_c
2018