Felgueiras MC, Fidalgo AV, Alves GR. Reverse Problem-Based Learning - A Case Study with a Braille Machine. Int. J. Eng. Ped. [Internet]. 2014 Mar. 6 [cited 2024 Nov. 24];4(5):pp. 56-61. Available from: https://online-journals.org/index.php/i-jep/article/view/3556