CHANSRI, K. 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 of Research and Development Institute Rajabhat Maha Sarakham University, [S. l.], v. 8, n. 1, p. 417–432, 2021. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/248222. Acesso em: 6 may. 2024.