Poupornphong, Phongsak, Sowwanee Sikkhabandit, and Panya Theerawitthayalert. 2022. “The Model of Change for School Administrator, Nonthaburi Primary Educational Service Area Office 2”. Rajapark Journal 16 (44). Bangkok, Thailand:398-413. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/256454.