Abbas, Tahir, et al. “PREPARATION OF Ni1-xMnxFe2O4 FERRITES BY SOL-GEL METHOD AND STUDY OF CATION DISTRIBUTION”. Journal of Research (Science), vol. 2021, no. 1-4, July 2025, pp. Pages: 19-27, http://jorscience.com/index.php/JRS/article/view/296.