CLAYTON E. (ed) <br/><br/>
MONITORING SYSTEMS FOR AGRICULTURAL AND RURAL DEVELOPMENT PROJECTS VOL.2 

 - ROME:  FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS,  1983. 
<br/><br/><label>ISBN: </label>9251013586. 
<br/><br/><label>Dewey Class. No.: </label>338.18 CLA