1.
prasertpong S, Laosuwan T. The development of activities using Problem-Based Learning (PBL) in the production of goods services and consumer protection of Mathayomsuksa 2 Students. JDSC [internet]. 2023 Dec. 30 [cited 2026 Sep. 2];10(3):407-24. available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/272008