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082 _a370.78 VAN 1962
100 _aVan Dalen
245 0 _aUnderstanding educational research : an introduction
_c/ Deobold B. Van Dalen, William J. Meyer.
250 _aEnl. Rev..
260 _aNew York
_bMcGraw-Hill
_c1966.
300 _ax, 525p.
_bill.
_c24cm
365 _cMYR
500 _aIncludes index p.421 - 432
650 _aEducation
_xResearch
700 _aMeyer, William J.
942 _cBK-GN
999 _c62676
_d62676