[Calcagni et al., 2017] Calcagni A., Lonati V., Malchiodi D., Monga M. and Morpurgo A. Promoting Computational Thinking Skills: Would You Use this Bebras Task?, in V. Dagienė and H. Hellas (Eds.), Informatics in Schools: Focus on Learning Programming, Springer, Lecture Notes in Computer Science (ISBN 978-3-319-71482-0), 102–113, 2017 [doi> BIBTEX]