Johnston, R.J <br/><br/>
Environmental problems  nature, economy and state 

 - New Delhi  CBS Pub.  1991 
 - x, 211 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL PROBLEMS
<br/><br/><label>Dewey Class. No.: </label>363.7  / JOH