Thongphubate T, Ninlabun N, Sisanga M, Chotientip T, Maneephruek W, Tepsud P. Learning through actual situations of the sufficiency economy learning center for secondary school students. JDSC [internet]. 2022 Sep. 21 [cited 2026 Aug. 27];9(3):27-46. available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/260175