Silveira CF, Abreu SM, Silveira DN. Deaf students and the use of GeoGebra software in mathematics: : possibilities for understanding 2nd degree equations. IGISP [Internet]. 2023Nov.28 [cited 2024Sep.18];12(3):054-65. Available from: https://revistas.pucsp.br/index.php/IGISP/article/view/61913