Lessons from the field :  Integration of population and environment II: Ecuador case study / 
World Neighbors, Inc. 
 - Oklahoma City, OK :  World Neighbors,  1999. 
 - 26 p. ;  graficas, fotografías ;  28 cm. 
<br/><br/><br/>Ingles 
<br/><br/><label>Dewey Class. No.: </label>304.28