ดวงแสง ชนิดาพร, and พันธ์งาม อมรรัตน์. 2021. “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”. Ubon Ratchathani Journal of Research and Evaluation 4 (1):11-20. https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/250958.