Current socio-economic problems of the world: science and Practice

Libin, I.Y., Leynik, T.L., Pustovitova, T.I., Treyger, E.M., Lebedev, N.A., Sizova, O.V., Seara M. Vázquez, Pérez-Peraza, J.
International Journal of Applied and Basic Research 11, 123, 2013