คำถา อ. and ศรีพุทธรินทร์ ส. (2017) “Learning Organization Characteristics of Institutes Under Nakhon Phanom Provincial Office of the Non-Formal and Informal Education”, Rajapark Journal. Bangkok, Thailand, 11(21), pp. 220–232. Available at: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/171745 (Accessed: 21 May 2024).