Planning the Management, Operation and Maintenance (O&M) of Irrigation and Drainage Systems 

 - ICID World Bank  1989 
 - p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IRRIGATION.<br/>IRRIG.<br/>O&M.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>USA.