Lyaro, Calvin Kimangano. <br/><br/>
Umoja magazine readership survey / 
Calvin Kimangano Lyaro. 
 - Nairobi :  Daystar University,  c1992. 
 - ix, 134 p. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Advertising--Tanzania.<br/>Market surveys--Tanzania.<br/>Umoja magazine.
<br/><br/><label>LC Class. No.: </label>HC106  / .L9