Impact evaluation study of installation of digital telephone exchange at upazila and growth centers (3rd Revised). 

 - Dhaka :  Implementation Monitoring and Evaluation Division (IMED) ,   2013 
 - various pages :  ill. ;   28 cm.  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital telephone exchange
<br/><br/><label>Gov. Doc. Class. No.: </label>BAN MP IMED IMP-21