Noitari, N., Khamhaengpol, A., Wattanasarn , H. and Sawatmool, S. (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), pp. 309–320. available at: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/293803 (accessed: 8 October 2026).