000 00657nam a2200193Ia 4500
005 20250508155126.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a375, AME
_qFEDL
245 0 _aReport of the international clearinghouse on science and mathematics curricular developments 1966
245 0 _cMaryland (University of )
260 _c1966
300 _axvi, 291p.
546 _aA joint project of the American association for the advancement of science and the science teaching Center
942 _cTEXL
_h375, AME
999 _c1354460
_d1354460