Pantita Bubphaprom และ Pornthep Chantraukrit. (2026) Development of Science Board Game Based on Scaffolding Approach to Promote Collaborative Problem Solving Competency of Upper Secondary Students. <i>An Online Journal of Education (OJED)</i>, <i>21</i>(1), 1-17.Pantita Bubphaprom และ Pornthep Chantraukrit. "Development of Science Board Game Based on Scaffolding Approach to Promote Collaborative Problem Solving Competency of Upper Secondary Students". An Online Journal of Education (OJED) 21 (2026):1-17.Pantita Bubphaprom และ Pornthep Chantraukrit. Development of Science Board Game Based on Scaffolding Approach to Promote Collaborative Problem Solving Competency of Upper Secondary Students. Centre for Education Innovation, Print and Online Media:ม.ป.ท. 2026.