Mpangala,B. <br/><br/>
Vyama Vipya Vya Wafanyakazi / by 
B.Mpangala 
 - Dar es salaam:  OTTU,  1994 
 - 29p.:  ill.;  30cm 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>EA 324.217 MPA