Feldman, Albert Leonidovich, and Lada Avenirovna Podolyanets. “Development of Economical and Geographical Image of Eastern Siberia As a Subject and an Object of Strategic Investments in Oil and Gas Complex”. International Journal of Energy Economics and Policy, vol. 7, no. 2, Apr. 2017, pp. 360-6, https://mail.econjournals.com/index.php/ijeep/article/view/4584.