00540nam a22001577a 4500008004100000020001500041050002500056100002100081245009300102250001200195260005400207300003100261500002400292650004900316700001700365160921b        xxu||||| |||| 00| 0 eng d  a0130943215  aLB 1028.38 .E78 2003  aErtmer, Peggy A.  aThe ID casebook:bcase studies in instructional design/cPeggy A. Ertmer and James Quinn  a2nd ed.  aUpper Saddle River:bMerrill Prentice Hall;c2003  axiv, 241p. :bill. ;c18cm  aIncludes references  aInstructional systems xDesignyCase studies  aQuinn, James