Becht, J Edwin <br/><br/>
World resource management:   Key to civilizations and social achievement 

 - New Jersey:   Prentice-Hall, Inc.,   1975 
 - xi, 329p. 
<br/><br/><label>ISBN: </label>0139681078 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology
<br/><br/><label>Subjects--Index Terms: </label>Natural resources Water quality management 
<br/><br/><label>Universal Decimal Class. No.: </label>502:339.5  / L5