Lewin, Keith M Ross, Angus R <br/><br/>
Science kits in developing countries  an appraisal of potential 

 - Paris  UNESCO  1992 
 - xi,138p.; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science kits<br/>Science kits - developing countries<br/>Secondary - education<br/>Teacher training