Phanita Phakdi และ Aweewan Panyagometh. (2018) The smart farming by adopting the philosophy of the sufficiency economy: the case study of duck farm, Latkrabang, Thailand. National Institute of Development Administration:ม.ป.ท.Phanita Phakdi และ Aweewan Panyagometh. 2018. The smart farming by adopting the philosophy of the sufficiency economy: the case study of duck farm, Latkrabang, Thailand. ม.ป.ท.:National Institute of Development Administration;Phanita Phakdi และ Aweewan Panyagometh. The smart farming by adopting the philosophy of the sufficiency economy: the case study of duck farm, Latkrabang, Thailand. ม.ป.ท.:National Institute of Development Administration, 2018. Print.