UNESCO <br/><br/>
New trends in biology teaching 

 - Paris  Unesco  1977 
 - (v.iv-ix, 235 p.) 
<br/><br/> Includes bibliography. 
<br/><br/><label>ISBN: </label>9231014021 
<br/><br/><label>Dewey Class. No.: </label>371.3574  / UNE