Sridee APDN. An analytical study of moral behavior concerning the fail speech Musāvāda) of Students in Secondary school located in Municipality, NakhonPathom. jma [internet]. 2019 May 20 [cited 2026 Oct. 6];6(ฉบับพิเศษ):12-25. available from: https://so04.tci-thaijo.org/index.php/JMA/article/view/180519