Linwattana, Grisana, Boonrat Jungdee, Grienggrai Puntuwan, Kingkaew Kunket, Walaiporn Sasiprapa, and Nopparat Muangprasert. 2005. “Characterization and Delineation of Types of Drought in the Northeast of Thailand for Rice Production through Water Balance Modeling-GIS”. Thai Agricultural Research Journal 23 (1):77-89. https://doi.org/10.14456/thaidoa-agres.2005.7.