000 00623nam a2200181Ia 4500
005 20250508153515.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a507, UNI
_qFEDL
100 _aJohnson Philip G
_9763818
245 0 _aScience facilities for secondary schools: Guiding principles and suggestions for planning and developing instructional for science teaching
260 _aWashington, USA
_bU.S. Government Printing Office
_c1956
300 _av,38p.
942 _cTEXL
_h507, UNI
999 _c1343356
_d1343356