000 00760nam a2200181Ia 4500
005 20250508153350.0
008 008 250505s9999 xx 000 0 eng d
037 _aBooks to be hide in OPAC
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a510, UNI/O
_qFEDL
245 0 _aReport of conference sponsored by American association for the advancement of science American association of school administrators council of chief state school officers national association of secondary school principals scientific manpower commission
245 0 _cU S Department of Health, Education, and Welfare. Mathematics and Science Education
260 _c1958
300 _a97p.
942 _cHB
_h510, UNI/O
999 _c1342332
_d1342332