Xavery, Beata <br/><br/>
An investigation on the quality of chemistry textbooks in secondary schools under the 1991 textbook policy   a case of Dar es Salaam region 

 - Dar es Salaam.   : University of Dar es Salaam.   2012, 
 - xiii,77p.    : ill.   ; 30cm. 
<br/><br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry <br/>Text books <br/>Secondary schools <br/>Dar es Salaam region <br/>Tanzania
<br/><br/><label>LC Class. No.: </label>THS EAF QD41.X38