Programs and Algorithm Learning Environment by Visualizing Relations among Program Codes, Operations and World Model. International Conference on Computers in Education, [S. l.], 2011. DOI: 10.58459/icce.2011.1266. Disponível em: https://library.apsce.net/index.php/ICCE/article/view/1266. Acesso em: 4 oct. 2025.