Land conservation for future generations :  proceedings of the fif th International Soil conservation Conference, 18-29 January 1998, Bang kok, Thailand / 
edited by Sanarn Rimwanich 
 - [Bangkok, Thailand] :  Dept. of Land Development, Ministry of Agri culture and Cooperatives,  [1988] 
 - v.2 :  ill.;  27 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation--Africa<br/>Land degradation--Congresses.
<br/><br/><label>Dewey Class. No.: </label>333.7316