Kapitonov, I. A., Korolev, V. G., Shadrin, A. A., & Shulus, A. A. (2017). The Role of Small and Medium-sized Innovative Enterprises in the Solution of the Import Substitution Task in Oil and Gas-sector Segment of the Russian Fuel and Energy Complex. International Journal of Energy Economics and Policy, 7(3), 137–145. Retrieved from https://econjournals.com/index.php/ijeep/article/view/4560