Thais Castro, Alberto Castro, Liliane Castro, Marcos Soares, and Bruno Gadelha. 2016.
 A Two-Level Problem Solving Practicing Approach using a Location Based App. In <em>Anais do XXVII Simpósio Brasileiro de Informática na Educação</em>, outubro 24, 2016, Uberlândia/MG, Brasil. SBC, Porto Alegre, Brasil, 540-548. DOI: <a href="https://doi.org/10.5753/cbie.sbie.2016.540">https://doi.org/10.5753/cbie.sbie.2016.540</a>.