P. Klinkulab 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”, rtnb, vol. 6, no. 1, pp. 602–610, Apr. 2024.