P. T. Tan, P. H. Yen, H. N. Nhat and N. Q. Hoa, Structure and Properties of Double Perovskite System La\(_2\)Co\(_{1-x}\)Fe\(_{x}\)MnO\(_{6}\), Comm. Phys. 24 (2014) 80–84. DOI: https://doi.org/10.15625/0868-3166/24/3S1/5224.