000 00322nam a2200133Ia 4500
008 211201s2004 xx 000 0 eng d
082 _a372.3
100 _aNAYAK, A.K.
245 0 _aSCIENCE EDUCATION
260 _bCOMMANWEALTH PUBLICATION
_aNEW DELHI
_c2004
300 _aV, 319
650 _aEducation
942 _2ddc
_cDOE
999 _c3772
_d3772