Prateangphol, K., and M. Wangthanomsak. “Knowledge Management of Schools in Suanphung Sub-district, Ratchaburi Province”. Journal of Humanities and Social Sciences Review, vol. 22, no. 1, Mar. 2020, pp. 133-4, https://so05.tci-thaijo.org/index.php/hspbruacthjournal/article/view/256848.