Asian Development Bank  <br/><br/>
Irrigation Development & Management 

 - Asian Development Bank   Philippines   1980 
 - 267p.  Fig. 
<br/><br/><label>Nat. Bib. No.: </label>5040 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>626.81/85  / IRR