Kyauka, Pelaji S. <br/><br/>
Misingi ya sayansi 

 - Dar es Salaam  Tanzania Publishing House Ltd.  1980 
 - xi,156p.  25cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>LC Class. No.: </label>EAF QTO Q161.2.K92