000 00335nam a22001337a 4500
003 OSt
008 230227b ||||| |||| 00| 0 eng d
082 _a372.3
_bSID
100 _aSIDDIQI & SIDDIQI
245 _aTEACHING OF SCIENCE TODAY & TOMORROW
260 _aNEW DELHI
_bDOACA HOUSE
_c2009
300 _aXXII,754p
942 _2ddc
_cDOE
_03
999 _c7382
_d7382