Bairral MA, Marques F de JR. Onde se localizam os pontos notáveis de um triângulo? Futuros professores de matemática interagindo no ambiente VMT com GeoGebra <br> Where are the notable points of a triangle located? Prospective mathematics teachers interacting within VMT with geogebra. EMP [Internet]. 2016Apr.30 [cited 2025Apr.3];18(1). Available from: https://revistas.pucsp.br/index.php/emp/article/view/24076