Abstracts: Watershed Management Research and Related Studies in the Asean Region Vol. 1 

 - Asean-US Watershed Project, Laguna, Philippines  1990 
 - p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IRRIGATION.<br/>General.<br/>IRRIG.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>PHILIPPINES.