00590nam a2200205   450000500170000000600040001700700040002100800040002502000180002904000090004705000190005610000220007524501240009725000120022126000330023330000180026650000500028465000200033470000300035420260603105225.0000000000  a9781071870631  aUOEL  aH62b.C69 2023  aCreswell, John W.  aResearch Design :bQualitative, Quantitative, and mixed methods approaches /cby John W. Creswell and J. David Creswell  a6th ed.  aLos Angeles :bSage,cc2023.  axxvii, 291 p.  aIncludes bibliographical references and index  aResearch design  aCreswell J. Davideauthor