Otgonjargal, Enkhtur, et al. “Study on Removal of Se(IV) Using Fe-Mn Layered Double Hydroxides and Fe-Mn Dos (double Oxides)”. Mongolian Journal of Chemistry, vol. 20, no. 46, Dec. 2019, pp. 29-37, doi:10.5564/mjc.v20i46.1239.