Economic assessment of on-farm water use efficiency in agriculture :    methodology and two case studies. 

 - New York :    United Nations,    2000. 
 - vii, 75 p.:    ill. ;    30 cm. 
<br/><br/>Includes bibliographical references (p. 47-48) 
<br/><br/><label>Subjects--Corporate Names: </label><br/> United Nations.
<br/><br/><label>Subjects--Topical Terms: </label><br/> Water- supply<br/> Agriculture.