000 00348nam a2200133Ia 4500
008 211201s1998 xx 000 0 eng d
082 _a136.5
100 _aARYA, S.C.
245 0 _aDEVELOPMENT OF SCINTIFIC CONCEPTS AMONG CHILDREN
260 _bNATIONAL PYSCHOLOGICAL CORP.
_aAGRA
_c1998
300 _a159
650 _aEducation
942 _2ddc
_cDOE
999 _c4021
_d4021