Almeida de Souza, C. and Ferreira da Fonseca, R. 2020. Considerations about the use of Problem Based Learning (PBL) in a Technical Course Integrated to High School. Revista de Educação Matemática. 17, (Jan. 2020), e020049. DOI:https://doi.org/10.37001/remat25269062v17id443.