Manyanga, M. H. <br/><br/>
Uashi (Daraja la Tatu): vitabu vya Ufundi 7 

 - Dar es Salaam  Tanzania Publishing House Ltd.  1977 
 - 41p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technical education
<br/><br/><label>LC Class. No.: </label>EAF QTO S599.7.T34