Wangkahart, T and Toomsan, B and Pathak, P and Wani, S P
(2005)
Integrating Watershed Management for Land Degradation and Improving Agricultural Productivity in Northeast Thailand.
In:
Watershed Management Challenges Improving Productivity, Resources and Livelihoods.
International Water Management Institute, Columbo, Sri Lanka, pp. 314-326.
ISBN 92-9090-611 1