Kokеnova A., Tulemetova, A., Koptаyeva G., Ongarova, G., & Satybaldina, A. (2020). WAYS TO IMPROVE THE ECONOMIC MECHANISM FOR INCREASING THE COMPETITIVENESS OF MINING ENTERPRISES IN THE TURKESTAN REGION. «Вестник НАН РК», (6), 162–171. извлечено от http://91834.libg.asia/bulletin-science/article/view/941