RIBEIRO, Fabrício de S.; MERLIN, Bruno; FÜLBER, Heleno. Evaluation of the impact of gamified environments on the computer programming teaching-learning process: a comparison between single-user and multi-user elements. In: BRAZILIAN SYMPOSIUM ON COMPUTERS IN EDUCATION (SBIE), 30. , 2019, Brasília/DF. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2019 . p. 803-812. DOI: https://doi.org/10.5753/cbie.sbie.2019.803.