Response to Land DegradationFrits W.T. Penning de Vries, Sara J. Scherr, Samran Sombatpanit · First published 2001Open the Tome
Incentives in soil conservationPaul C. Huszar, Samran Sombatpanit, Thomas Enters · First published 1999Open the Tome
Soil conservation extensionSamran Sombatpanit, Michael A. Zobisch, David W. Sanders, M. G. Cook · First published 1997Open the Tome
