Harachai, Pitchapa, and Kornkanok Lertdechapat. “Effects of Geographic Inquiry Process and Virtual Learning Techniques on Spatial Thinking Ability of Upper Secondary Students”. An Online Journal of Education 19, no. 2 (November 26, 2024): OJED1902009 (11 pages). accessed April 2, 2025. https://so01.tci-thaijo.org/index.php/OJED/article/view/276160.