RABY, Namika. <br/><br/>
Professional Management in Irrigation Systerms 

 - Colombo.  International Management Inst  itute      1989 
 - xx,95p. 
<br/><br/><label>ISBN: </label>92-9090-119-5 
<br/><br/><label>Dewey Class. No.: </label>631.75493