เจ๊ะเต๊ะ ม, ภู่จินดา ว. Knowledge, understanding Guideline for environmental conservation in school: a case study of students in secondary school of Thamvitya Foundation School Yala. AL-HIKMAH J. [internet]. 2018 Apr. 17 [cited 2026 Sep. 28];3(5):39-50. available from: https://so01.tci-thaijo.org/index.php/HIKMAH/article/view/119068