00374nam a2200157Ia 4500003000400000005001700004008004100021040000700062041000800069082001600077100001500093245002800108260004800136300000900184650002300193OSt20250806160319.0250729s2005    xx            000 0 und d  cAL  aeng  a001.51 YADC  aNunn Percy  aPrinciples of education  aNew DelhibDiscovery Publishing Housec2005  a338p  aComputer Education