Aree Thunkijjanukij, Asanee Kawtrakul, Supamard Panichsakpatana, and Uamporn Veesommai. “Ontology Development: A Case Study for Thai Rice”. Agriculture and Natural Resources 43, no. 3 (September 30, 2009): 594–604. Accessed June 2, 2024. https://li01.tci-thaijo.org/index.php/anres/article/view/244707.