Sankawin, P., Laosawatdikul, P., & Chulasukhont, P. (2025). Operational Problems of the Student Care and Support System Under the Office of Secondary Education Service Area Lopburi . Suan Dusit Graduate School Academic Journal, 21(3), 45–58. retrieved from https://so19.tci-thaijo.org/index.php/SDUGSAJ/article/view/1130