Yi, Soyul, and Youngjun Lee. “An Educational System Design to Support Learning Transfer from Block-Based Programming Language to Text-Based Programming Language”. International Journal on Advanced Science, Engineering and Information Technology 8, no. 4-2 (September 26, 2018): 1571–1576. Accessed July 22, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/5735.