Ruhumbika, Gabriel <br/><br/>
Miradi bubu ya wazalendo 

 - Dar es Salaam:  Economic Research Bureau,  1900. 
 - 182p.  ill.;  19 cm. 
<br/><br/><label>ISBN: </label>9987-8826-51 
<br/><br/><label>LC Class. No.: </label>ERB PL8704.R83