Nyamdelger, S., Burmaa, G., Narangarav, T. and Ariunaa, G. 2014. Dissolution behaviour of freibergite-tetrahedrite concentrate in acidic dichromate solution. Mongolian Journal of Chemistry. 14, (Oct. 2014), 36–40. DOI:https://doi.org/10.5564/mjc.v14i0.196.