000 00382nam a2200133Ia 4500
008 211201s2003 xx 000 0 eng d
082 _a372.3
100 _aLEHRI,G.K.
245 0 _aTEACHING SCIENCE AND TECHNOLOGY SELF WARNING, MATERIALS FOR TEACHERS ( UPPER PRIMARY STAGE)
260 _bN.C.E.R.T.
_aDelhi
_c2003
300 _aXV,737-2004
650 _aEducation
942 _2ddc
_cDOE
999 _c4339
_d4339