Owen, Oliver S.  . <br/><br/>
Natural resource conservation : an ecological approach /  
Olivers S.Owen. 
 - 4th ed /   . 
 - New York :   Macmillan ,   1985. 
 - xii,657p. :   ills.,fig.,photo ;   25cm .  
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<br/><br/><label>ISBN: </label>0023901004  Rs. 409.20 
<br/><br/><label>Subjects--Index Terms: </label>CONSERVATION OF NATURAL RESOURCES 
<br/><br/><label>Dewey Class. No.: </label>333.72  / OWE/N