Sombatpanit, Samran and Others <br/><br/>
Soil conservation extension from concepts to adoption 

 - Calcutta  ; Oxford Univercity Press  , 1997 
 - xx,488p. 
<br/><br/><label>ISBN: </label>8120411897  475 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Conservation<br/>Soil Science
<br/><br/><label>Dewey Class. No.: </label>631.4  / SOM