Khemchira Boontavee, ponsak. The Self-Conduct on Public-Mind of Lower Secondary Students in Educational Opportunity Expansion Schools Under Ubon Ratchathani Primary Educational Service Area Office 5. JMCTMCU [internet]. 2021 Dec. 25 [cited 2026 Sep. 11];3(2):9-15. available from: https://so02.tci-thaijo.org/index.php/mcupnpbcr/article/view/250035