อ่อนจันทร์ ส. Development Rice Database System of Ontology for Learning Process for Organic Farmer in Uttaradit Province. Journal of Humanities and Social Sciences Uttaradit Rajabhat University, [S. l.], v. 8, n. 2, p. 103–123, 2022. Disponível em: https://so04.tci-thaijo.org/index.php/johuru/article/view/253987. Acesso em: 19 may. 2024.