00398nam a22001217a 4500008004100000020001500041050002200056100002200078245008000100260005100180300003400231760001100265150924b        xxu||||| |||| 00| 0 eng d  a0675205069  aLB 1028 .G39 1987  aGay, L. R.d 1987  aEducational Research:bCompetencies for Analysis and ApplicationcR, L Gay.  aColumbus:bMerrill Publishing Company,c 1987.  axx, 569p:ill.bincludes index  b3rd ed