Understanding the World 

 - 2da 
 - [s.l.]:   Laidlaw Brothers ,  1981 
 - Understanding the Social Sciences Program .
<br/><br/> INV. BIB. 11372/96; 11250/96; 11373/96; 113249/96; 11376/96 
<br/><br/><label>ISBN: </label>0844564362 
<br/><br/><label>Standard No.: </label>DGR-M15867 
<br/><br/><label>Universal Decimal Class. No.: </label>802