VOID COEFFICIENT SENSITIVITY ANALYSIS FOR THE TRIGA MARK II REACTOR AT L.E.N.A. (UNIPV) D. Portinari, A. Cammi, S. Lorenzi, M. Aufiero, Y. Calzavara and A. Bidaud EPJ Web Conf., 247 (2021) 15005 Published online: 22 February 2021 DOI: 10.1051/epjconf/202124715005