Core concepts in engineering :  telecommunications engineering  / 
3G E- Learning LLC 
 - New York :  3G E-learning LLC,  2019. 
 - 269 p.: col. Ill.; 22.8 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9781984620491 
<br/><br/><label>Dewey Class. No.: </label>C 621.382 C797 2019