Ricci Fred J <br/><br/>
Personal communication system application 

 - New Delhi :  Prentice Hall Ptr,  2021. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management
<br/><br/><label>Dewey Class. No.: </label>621.3845  / RIC