Pudjeeb, Patima, Intira Ketsiri, Saruta Prabsakul, and Chainarin Tubmarerng. “Effects of Using Instructional Package in Career Subject for Mathayomsuksa 3rd”. Academic MCU Buriram Journal 8, no. 2 (August 28, 2023): 105–117. accessed April 26, 2025. https://so06.tci-thaijo.org/index.php/ambj/article/view/264732.