THE SCIENCE CURRICULUM DEVELOPMENT CENTRE <br/><br/>
Our Environment : a science handbook for teacher training colleges   

 - vol . 2 
 - Sierra Leone :  NJALA UNIVERSITY COLLEGE , 
 - viii , 304 p . :   ill . ; 24 cm . 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science <br/>Teaching
<br/><br/><label>Dewey Class. No.: </label>507