Mrope, Fatma Shaaban <br/><br/>
Enhancing understanding of abstract and challenging in ordinary level biology learning   : a study of two selected secondary schools in Dar es salaam region 

 - Dar es salaam   : University of Dar es Salaam,  2006 
 - xii,111p.   : ill.   ; 30cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology<br/>Dar es Salaam Region<br/>Secondary education<br/> Study and teaching
<br/><br/><label>LC Class. No.: </label>THS EAF QH320.T34M76