Bourguiba, N.F., Boughazala, H. and Zid, M.F. 2014. Ionic behavior, Na+ mobility and infrared spectroscopy in Na7Cr4(P2O7)4PO4 material. JOURNAL OF ADVANCES IN CHEMISTRY. 10, 7 (Oct. 2014), 2955–2966. DOI:https://doi.org/10.24297/jac.v10i7.6811.