จันทร์แก้ว ว. (2019) “Leadership of School Administrators under the Secondary Educational Service Area Office 1”, Rajapark Journal. Bangkok, Thailand, 11(23), pp. 244–256. Available at: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/172012 (Accessed: 24 April 2024).