=LDR 22 4500 =001 1112 =082 04$a370.28 SCH =100 1\$aSchank, Roger C. =245 10$aDesigning world-class e-learning: how IBM, GE, Harvard Business School and Columbia University are succeeding at e-learning =260 \\$aNew York :$bMcGraw-Hill,$c2002 =650 \0$aBooks =852 \\$bFreeman Library$h370.28 SCH