01864nam 2200529 a 450 991070831380332120221107233513.01-135-70590-9(CKB)2550000000080045(DLC)00026221(StDuBDS)AH24588295(OCoLC)953523917(EXLCZ)99255000000008004520000225d2001 uy 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierEducational research[electronic resource] a guide to the process /Norman E. Wallen, Jack R. Fraenkel2nd ed.Mahwah, N.J. Lawrence Erlbaum Associates2001[Washington, D.C.] :Department of the Interior, Bureau of Education,[1923]Washington :Government Printing Office.1 online resource (xix, 548 p. ) illBulletin ;1923, no. 42Title from title screen (viewed on June 29, 2016)."Iowa Child Welfare Research Station."Publication pre-dates Federal Depository Library Program (FDLP) item numbers. No FDLP item number has been assigned."Advance sheets from the Biennnial Survey of Eduacation 1920-1922."Includes bibliographical references and index.EducationResearchElectronic books.lcshEducationResearch.370.72Wallen Norman E1353948Fraenkel Jack R.1932-1353949United States.Bureau of Education,DLCDLCDLCStDuBDSZUkPrAHLSBOOK9910708313803321Educational research3287249UNINA