Nalee, Thanyarat, and Piyaluk Potiwan. 2026. “Development of the 5 STEPS Process Learning Activity in History for Grade 10 Students at Phadungnaree School”. Journal of Education Rajabhat Maha Sarakham University 23 (1). Maha Sarakham, Thailand:101-10. https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/281347.