000 00555nam a2200193Ia 4500
005 20250508162107.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a001.42, VAN
_qFEDL
100 _aVan Dalen Deobold B
_9758718
245 0 _aUnderstanding educational research : An introducation
250 _a4
260 _aNew York, USA
_bMcGraw-Hill Book Company
_c1979
300 _a547p.
942 _cTEXL
_h001.42, VAN
999 _c1374336
_d1374336