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040 _aAR-BaUFI
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210 0 _aJ. educ. res.
_b(Wash. D.C.)
222 0 _aJournal of educational research
_b(Washington, D.C.)
245 0 0 _aJournal of educational research
260 _aMadison, WI :
_bDembar Educational Research Services,
_c1920-
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