Klinkulab, P., & Hleesin, P. (2024). 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, 6(1), 602–610. retrieved from https://so07.tci-thaijo.org/index.php/rtnb/article/view/4427