Study of electrical properties of polymethylmethacrylate treated in aqueous and saline environmentsFatma Namouchi, Sofien Hdiji, Hajer Guermazi and Samir GuermaziEur. Phys. J. Appl. Phys., 69 2 (2015) 20202DOI: https://doi.org/10.1051/epjap/2015140447