000 nam a22 7a 4500
999 _c46462
_d46462
003 OSt
005 20190416151221.0
008 190416b xxu||||| |||| 00| 0 eng d
040 _csero soft
100 _aSharma,H.S
245 _aTeaching of science
260 _aagra
_bRadha
300 _a392
942 _2ddc
_c02