Muthana El ttayef Abbas, and Zena Mohammed Ali abbas. “A Recent Study of the Structural Properties Between of Mn-Zn-Fe2O4 and Mn-Zn-Fe2O4 /TiO2 Nanocomposite”. Eurasian Journal of Physics,Chemistry and Mathematics, vol. 5, Apr. 2022, pp. 23-32, https://geniusjournals.org/index.php/ejpcm/article/view/973.