?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=N&rft.au=Senanarong%2C+N&rft.aulast=Senanarong&rft.date=2001&rft.title=Improving+Management+of+Natural+Resources+for+Sustainable+Rainfed+Agriculture+in+Northeastern+Thailand&rft.genre=proceeding