000 00621nam a2200229Ia 4500
003 BD-DhNLB
005 20230118132414.0
008 720622s1973 nyua b 001 0 eng
020 _a70668825
040 _aDLC
041 _heng
080 _a370.78
100 _aVan Dalen, Deobold B.,
_921718
245 0 _aUnderstanding educational research:
_ban introduction
_c[by] Deobold B. Van Dalen.
260 _aNew York,
_bMcGraw-Hill
_c[1973]
300 _aix, 532 p.
_billus.
_c24 cm.
504 _aBibliography: p. 507-515.
650 _aEducation
650 _xResearch.
942 _2ddc
_cBK
999 _c21643
_d21643