V. Almeida, A. Gomes, A. Spinilo, and J. Saraiva. " Assessing the Problem-Solving Strategies of Linear Function Using Blended Learning: The Effectiveness of Educational Social Network", in Anais do XXII Workshop de Informática na Escola, Uberlândia, 2016, pp. 845-854, doi: https://doi.org/10.5753/cbie.wie.2016.845.