00289nam a22001097a 4500003000400000008004100004082001900045100002600064245003900090260004200129300000800171OSt230613b        |||||||| |||| 00| 0 eng d  a512.92bEXT300  aTeevan, R.C. & Birney  aTheories of Motivation in Learning  aE.W. PressbMetropolitan, Delhic1968  a215