Weerasak Kongrithi. (2009) The Thai rice economy : could Thailand maintain its exportable surplus? /. Kasetsart University,:ม.ป.ท.Weerasak Kongrithi. 2009. The Thai rice economy : could Thailand maintain its exportable surplus? /. ม.ป.ท.:Kasetsart University,;Weerasak Kongrithi. The Thai rice economy : could Thailand maintain its exportable surplus? /. ม.ป.ท.:Kasetsart University, 2009. Print.