00285nam a2200109 a 4500008004100000050001500041100001900056245003300075260004100108300001700149350000900166120416s1975    ||||||||||||||||| ||    u  aQL 785 Tar  aTarpy, Roger M10aBasic principles of learning  aGlenview, Ill.bScott, Foremanc1975  a261p. : ill.  a0.00