Noitari, Nikorn, Arunrat Khamhaengpol, Hassakorn Wattanasarn, and Sakolrat Sawatmool. 2026. “Development of Science Process Skills and Learning Achievement of First-Year Vocational Certificate Students on the Unit of Force and Motion by Using Project-Based Learning Integrated with Sufficiency Economy Philosophy”. Dhammathas Academic Journal 26 (3):309-20. https://so06.tci-thaijo.org/index.php/dhammathas/article/view/293803.