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