Melnikov Д. А., and Panteleyeva Е. А. “A Small Company in the Market of Transport Services: Competitiveness Problems”. Vestnik IzhGTU Imeni M.T. Kalashnikova, vol. 19, no. 2, June 2016, pp. 50-52, https://izdat.istu.ru/index.php/vestnik/article/view/3228.