N. D. Cuong, T. T. Hoa, D. Q. Khieu, T. Q. Tung and N. V. Hieu, Synthesis, characterization, and gas-sensing properties of alpha-Fe2O3 prepared from Fe3O4-alginate, VJChem 52 (2014) 251. DOI: https://doi.org/10.15625/4890.