Chand, Attar <br/><br/>
Environmental challenges : industry forestry,  pollution, agriculture, energy crisis,  urbanisation population, economic planning and  ecological order : a global survey 
<label>/ by </label> Chand, Attar 
 - Delhi  UDH Publishers  1985 
 - xlvi, 335p.  24 cm. 
<br/><br/> Bibliogaphic survey with obstracts from 1960 to  1984 
<br/><br/><label>Dewey Class. No.: </label>620.8  / CHA