Sheveleva, Oksana Borisovna. “Directions for Reduction of Expenses at the Enterprises of the Coal Industry (an Example Open Joint-Stock Company ‘Shahtoupravlenie Anzhersky’)”. Eurasian Journal of Economics and Management, no. 2, Dec. 2011, pp. 129-35, https://journals.vsu.ru/econ/article/view/10526.