Polytechnic Institutes in Portugal: research on the impact of twelve institutes on the local economy - Laranjeira, Cristina Maria Carruco; Ventura, Claudia Sofia Escalhorda; Bermejo, Sara Margarida Concruta Sanchez; Santos, Sara Pinto Teixeira Abreu dos; Ribeiro, Maria Fernanda da Silva Pires; Basto de Lima, Maria Gabriela de Oliveira Lima; Henriques, Marília Oliveira Inacio (My University, 2019)