Sagardoy J A <br/><br/>
Organization Operation And Maintenance Of Irrigation Schemes 

 -  Rome : Fao 1986. 
 - 166 
 - Fao Irrigation And Drainage Paper No. 41 .
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>9251012458 (Pbk)