00483    a2200157   4500010001400000020002600014035001300040037001500053082001300068100002100081245004800102260005300150270006100203300002100264500004000285  aENG-88175  c625.00a9788189937065  aEN-71708  bDBAD / PUB14a371.3078  aReddy, D. Chenna1 aEducational technology/cby D. Chenna Reddy  aNew DelhibArise Publishers & Distributorsc2008  a4648/1, 21, Ansari Road, Darya Ganj,bNew Delhie110 002  a304p.c21cm (Hb)  aIncludes  bibliographical reference