Voronina Evgenia V. «Corporate capital in the oil and gas industry, peculiarities of its evaluation» // 2011. №4 (16) C.111-117
Podshivalova M.V., Plekhanova I.S. «Empirical testing of financial leverage classical factors on small enterprises in Russia» // Tomsk State University Journal of Economics 2018. №42 C.287-304
