Sunsap, P., and S. . Onsampant. “LEARNING ORGANIZATION IN MUENG NAKHONPATHOM NON-FORMAL AND INFORMAL EDUCATION CENTRE”. Journal of Educational Administration, Silpakorn University, vol. 11, no. 1, July 2020, pp. 165-80, https://so02.tci-thaijo.org/index.php/EdAd/article/view/242419.