Wojtkowski,Paul A. <br/><br/>
Agroecological Perspectives in Agronomy,Forestry,and Agroforestry 

 - New Delhi  Oxford and IBH Publishing Co.Pvt.Ltd  2002 
<br/><br/><label>ISBN: </label>81-204-1541-8 
<br/><br/><label>LC Class. No.: </label>630/WOJ  / 5 
<br/><br/><label>Dewey Class. No.: </label>630/WOJ  / 5