00348nam a22001097a 4500020001800000082002800018100001900046245007100065260005200136300002100188650002900209  a0-03-015296-8  aProf. 370.152 L665 19771 aLevin, Joel R.10aLearner differences :bdiagnosis and prescription /cJoel R.Levin.  aNew York :bHolt, Rinehart and Winston,cc1977.  a146 p. ;b21 cm.10aLearning, Psychology of.