000 00351nam a2200145Ia 4500
008 211201s2005 xx 000 0 eng d
020 _a8171694322
082 _a372.3
100 _aSEN.B.R.
245 0 _aEFFECTIVE METHODS OF TEACHING SCIENCE
260 _bCOMMONWEALTH
_aNEW DELHI
_c2005
300 _a223
650 _aEducation
942 _2ddc
_cDOE
999 _c4302
_d4302