00294nam a22000977a 450000500170000000800410001702000150005804000080007324500600008126000550014120200824151237.0200824b           ||||| |||| 00| 0 eng d  a0125433301  cCML  aThe Psychology of Learning and Motivation.cMedin, D.L.  aUnited States of AmericabAcademic Press Ltdc1993