ดวงแสง ช, พันธ์งาม อ. An Operation on Development of Physics Problem-Solving Abilities on Force and Motion Principles Using-Problem Based Learning of Mathayom Suksa 4 Students, Satree Siriket School, Office of Secondary Educational Service Area 28. ubonreseva [internet]. 2021 Aug. 27 [cited 2026 Oct. 3];4(1):11-20. available from: https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/250958