Telecommunications essentials 
Smith, Kameron 
 - New york: Clanrye International   2019 
 - vi, 225p.: col. Ill.; 25.5 cm. 
<br/><br/> Includes permissions, index 
<br/><br/><label>ISBN: </label>9781632408792 
<br/><br/><label>Dewey Class. No.: </label>C 621.382 Sm642 2019