00514nam a2200145   4500008004100000020001800041050002200059100002100081245012200102250001200224260004900236300003800285650002500323700002000348150917b        xxu||||| |||| 00| 0 eng d  a9780136040941  aLB 1028 .G37 2009  aGay, L. R.d2009  aEducational research :bcompetencies for analysis and applications/cL. R. Gay, Geoffrey E. Mills and Peter Airasian   a9th ed.  aUpper Saddle River, N.J. :bPearson, c2009.  axvi, 618p. : ill.bIncludes index  aEducational research  aMills, Geoffrey