Author Details

Loffredo, Giuseppe, <div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p><span>Department of Mathematics and Physics, University of Campania ”Luigi Vanvitelli”, Caserta, Italy</span></p></div></div></div><br />, Italy



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