Program Animation Based on the Roles of Variables.
Evaluating the educational impact of visualization
ACM SIGCSE Bulletin
Rudolf Fleischer
Jorma Sajaniemi
Guido Rößling
Charles Leska
Myles McNally
Jay Anderson
Activities & Artifacts: The Dual Nature of Image-making in Communicative Practice
Ambiente Integrado à Plataforma Moodle para Apoio ao Desenvolvimento das Habilidades Iniciais de Programação