000 nam a22 7a 4500
999 _c8001
_d8001
008 171121b xxu||||| |||| 00| 0 eng d
020 _a9788170633105
100 _aDas, Asha
_94455
245 _aHome science textbook and practical book
260 _aNew Delhi
_bArya Book House
_c2015