Wongprakhon , W. and Sae-Joo, P. (2021) “The Development of Multimedia Instruction with Problem based Learning to Encourage C Programming Skill for Grade 10 Students”, Journal of Modern Learning Development, 6(6), pp. 89–103. available at: https://so06.tci-thaijo.org/index.php/jomld/article/view/250415 (accessed: 28 September 2026).