Pakdeetrakulwong, U., and K. Hengpraprohm. “An Ontology-Based Knowledge Management for Organic Agriculture and Good Agricultural Practices: A Case Study of Nakhon Pathom Province, Thailand”. Interdisciplinary Research Review, vol. 13, no. 4, Nov. 2018, pp. 26-34, https://ph02.tci-thaijo.org/index.php/jtir/article/view/128314.