Bagad, V.S. <br/><br/>
Voice communication : a conceptual approach / 
V.S Bagad 
 - xiv; 5-40 p.; ill.;23 cm  24 cm 
<br/><br/><label>ISBN: </label>9789350993378 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication --Technological Innovations<br/>Telecommunication