Synthesis, structural, magnetic and electrical properties of nominal La0.67Ba0.33-xNaxMnO3 (0 ≤ x ≤ 0.33) manganitesS. Hcini, S. Zemni, M. Boudard, H. Rahmouni and M. OumezzineEPJ Web of Conferences, 29 (2012) 00022DOI: https://doi.org/10.1051/epjconf/20122900022