Amour, Khamis Othman <br/><br/>
Assessment of heavy mental concentrations in soil and green vegetable (vigna unguiculata) around the volcanic mountain of OldoinyoLengai in Ngorongoro distric Arusha - Tanzania 

 - Dar es Salaam  : University of Dar es Salaam,   2014. 
 - xii,63p.  : ill.  ; 30cm. 
<br/><br/>Includes bibliographical and references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils<br/>Heavy metal content<br/>Vigna Unguiculata<br/>Oldonyo L'engai<br/>Volcanic mountain<br/>Ngorongoro district<br/>Arusha region<br/>Tanzania
<br/><br/><label>LC Class. No.: </label>THS EAF S592.6.H43T34A56