Long, M. <br/><br/>
World problems  a topic geography 
M. Long, B. S. Roberson 
 - 3rd ed. 
 - London  Hodder & Stoughton  1981 
 - 216 p. ; 17 cm. 
<br/><br/><label>ISBN: </label>034026148X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Study and teaching (Secondary)