So, Mi Hyun, and JaMee Kim. “An Analysis of the Difficulties of Elementary School Students in Python Programming Learning”. International Journal on Advanced Science, Engineering and Information Technology 8, no. 4-2 (September 26, 2018): 1507–1512. Accessed July 22, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/2720.