00360nam a2200145Ia 45000030006000000080041000060400015000471000014000622450063000762500006001392600034001453000006001795460012001850050017001970STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGupta B R  aQuestion Bank In Electronics And Communication Engineering  a2  bKataria And Sons .Delhic2006  a0  aEnglish20220125170529.0