Sumasa S, Nuntee S, Bangwiset S. THE MODEL OF PUBLIC RELATIONS ADMINISTRATION IN SCHOOLS IN THE NEW NORMAL ERA UNDER THE SECONDARY EDUCATIONAL SERVICE AREA OFFICE LOEI–NONG BUA LAM PHU. SN Grad J. [internet]. 2024 Dec. 28 [cited 2026 Sep. 21];21(95):1-11. available from: https://so02.tci-thaijo.org/index.php/SNGSJ/article/view/268542