Loffredo, F. , Quarto, M. , Pugliese, M. , Mazzella, A. , Cicco, F. , Roca, V. (2017), 'Effectiveness of Radon Remedial Action Implemented in a School on the Island of Ischia', World Academy of Science, Engineering and Technology, Open Science Index 123, International Journal of Physical and Mathematical Sciences, 11(3), 131 - 134.