Rakpakdee D, Promta U- rasa, Pollharn C. The Development of Moderate Class More Knowledge Activities of Lao Yao Wittayakarn School under the Secondary Education Service Area Office 26. JDSC [internet]. 2020 Jun. 30 [cited 2026 Oct. 13];7(1):103-20. available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/245064