Aree Thunkijjanukij. (2009) Ontology development for agricultural research knowledge management : a case study for Thai rice /. Kasetsart University,:ม.ป.ท.Aree Thunkijjanukij. 2009. Ontology development for agricultural research knowledge management : a case study for Thai rice /. ม.ป.ท.:Kasetsart University,;Aree Thunkijjanukij. Ontology development for agricultural research knowledge management : a case study for Thai rice /. ม.ป.ท.:Kasetsart University, 2009. Print.