00319nam a2200121Ia 450000500170000000800410001702000220005808200150008010000190009524500290011426000460014330000080018920260605173004.0260605s9999    xx            000 0 und d  a978-93-80386-61-4  a302.2bYAD  aYadav, Shalini 0aCommunication Techniques  bUniversity Science PressaNew Delhic2011  a253