Cessal, J. <br/><br/>
Science teaching in the secondary schools of tropical Africa / 
by J. Cessal 
 - Paris :  UNESCO,  1963 
 - 79 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label> USD 11.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching--Africa<br/>Science--Study and teaching (Secondary)<br/>Science
<br/><br/><label>Dewey Class. No.: </label>507.126