Yona, Daudi Makala <br/><br/>
The enhanced security policy for electricity prepayement system for Tanesco - Luku 

 - Dra es Salaam   : University of Dar es Salaam,  2006. 
 - xiv,70p.   : ill.   ; 30cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>LC Class. No.: </label>THS EAF TK4186.M34