Madeang N. The Administration Model of Happiness School, Rajaprajanugroh 39 Naratiwat School, Naratiwat Province. SDU. Grad. J. [internet]. 2021 Jun. 15 [cited 2025 Aug. 18];17(2):109-27. available from: https://so19.tci-thaijo.org/index.php/SDUGSAJ/article/view/412