Wonginjun S, Chaisena Dallas J, Kwansumran W, Aungkaprasatchai W. Relation between selected variables and the moral characteristics among junior high school students in extended opportunity schools. NJPH (วารสาร พ.ส.) [internet]. 2021 Apr. 25 [cited 2026 Sep. 19];31(1):58-69. available from: https://he02.tci-thaijo.org/index.php/tnaph/article/view/250629