Problems of Increasing the Efficiency of Natural Monopolies in the Modern Period Nataliya Shmyrova, Olyga Abrosimova Problems of Increasing the Efficiency of Natural Monopolies in the Modern Period // Russian Journal of Entrepreneurship. — 2010. — № 3-1 (154). — p. 30-35. — URL: http://bgscience.ru/com/lib/1894 Read more ›