Klinkulab, P., and P. Hleesin. “The Development of the Network Group Management Model for Improving Educational Quality in Small-sized Schools Under the Office of Khonkaen Primary Education Service Area 5: The Development of the Network Group Management Model for Improving Educational Quality in Small-sized Schools Under the Office of Khonkaen Primary Education Service Area 5”. RATANABUTH JOURNAL, vol. 6, no. 1, Apr. 2024, pp. 602-10, https://so07.tci-thaijo.org/index.php/rtnb/article/view/4427.