BETNT, PHYLLIS W <br/><br/>
INTERNATIONAL TELECOMMUNICATIONS /  
BETNT, PHYLLIS W 
 - [S.N] :   SAMS PUBLISHING ،   1993 
 - 466 P 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TELECOMMUNICATION
<br/><br/><label>Dewey Class. No.: </label>348  / B I