Land conservation for future generations : proceedings of the fif th International Soil conservation Conference, 18-29 January 1998, Bang kok, Thailand - International Soil Conservation Conference 1988: Bang kok, Thailand); Rimwanich, Sanarn; [Thailand] Ministry of Agriculture and Cooperatives. Department o f Land Development ([Bangkok, Thailand] : Dept. of Land Development, Ministry of Agri culture and Cooperatives, 1988)
Includes bibliographical references
Keywords: Soil conservation -- Africa; Land degradation -- Congresses