student Gulnara Omarova, Adilkhan Baibatsha, Aimkhan Kassenova, Sergei Loparev (2017). PETROLOGY OF ORE-BEARING METASOMATITES OF GOLD DEPOSIT KOKKYIA (SOUTH KAZAKHSTAN). SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining, 431-438. https://doi.org/10.5593/sgem2017/11/s01.055