Author Details

Monteiro, Magda Sofia, School of Tecnology and Managment of Águeda (ESTGA) and Center of Research & Development in Mathematics and Applications (CIDMA), University of Aveiro, Portugal, Portugal



GRASPA 2019 is organised with the support of "Dipartimento di Economia",  University "G. d'Annnunzio", Chieti-Pescara