000 00385nam a2200169Ia 4500
005 20250508160137.0
008 008 250505s9999 xx 000 0 eng d
037 _aPeriodicals
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _qFEDL
245 0 _aScience education. Vols
260 _c1973
490 _vVol 33
942 _cCR
999 _c1362173
_d1362173