000 00316nam a2200133Ia 4500
008 211201s2004 xx 000 0 eng d
082 _a372.3
100 _aBHATNAGAR,A.B
245 0 _aTEACHING OF SCIENCE
260 _bSURYA PUBLICATION
_aMEERUT
_c2004
300 _axi 310
650 _aEducation
942 _2ddc
_cDOE
999 _c4101
_d4101