Hopkins, D. <br/><br/>
Handbook Of Communication Systems / 
Hopkins,D. 
 - 1st edition 
 -  Alexis Press, Llc ,  2023 
 - 332 
<br/><br/><label>ISBN: </label>9781645323075 
<br/><br/><label>Dewey Class. No.: </label>621.382  / HOP