Bogomolova, Y. I., E. V. Belokurova, V. R. Meshkov, and E. O. Pavlov. “Human Capital of Transnational Corporations in the Energy Sector”. International Journal of Energy Economics and Policy, vol. 8, no. 6, Oct. 2018, pp. 128-34, https://econjournals.com/index.php/ijeep/article/view/6901.