Sabah M. Ali Ridha, Mohmmad A. Awad. “Structural Characteristics of M-Type Ba-Sr Hexaferrite Nanoparticles Prepared Using Sol-Gel Method: Role of the Srion Concentrations and Annealing Temperatures”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 14, Aug. 2021, pp. 663-74, doi:10.17762/turcomat.v12i14.10333.