"Uphoff, Norman" <br/><br/>
Learning form galoya 

 - London  Intermediate Technology  1996 
 - 448 p. 
<br/><br/><label>ISBN: </label>9781853393518 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Galoya-Irrigation
<br/><br/><label>Dewey Class. No.: </label>631.7 UPH