Chansri, Kornkrit. 2021. “The Management Natural and Innovation Agriculture : A case study of a Self Sufficiency Economy Outdoor Center at Ban Nong Bua Thong Tumbon Khuanwan Muang Nongkhai Province”. Journal for Developing the Social and Community 8 (1). Bangkok, Thailand:417-32. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/248222.