Rudenko, Marina N., Ludmila V. Goloshchapova, Oksana V. Savvina, Andrey A. Zamkovoy, Natalia V. Chernikova, and Olga G. Andryushchenko. 2016. “Innovative Activity of Financial and Industrial Groups”. International Journal of Economics and Financial Issues 6 (8S):108-14. https://mail.econjournals.com/index.php/ijefi/article/view/3712.