Summaries of the poster papers. - International Workshop on Evaluation for Sustainable Land Management in the Developing World 1991 Chiang Rai, Thailand (Thailand : International Board for Soil Research and Management, 1991)
Keywords: MANEJO DE SUELOS -- CONGRESOS; USO DE LA TIERRA -- CONGRESOS; AGRICULTURA SOSTENIBLE -- CONGRESOS; REGIONES SUBDESARROLLADAS -- CONGRESOS