Manuylenko, V. V., Mishchenko, A. A., Bigday, O. B., Putrenok, Y. L., & Savtsova, A. V. (2015). A Comprehensive Definition of the Concept of Innovation in Russian and International Science. International Journal of Economics and Financial Issues, 5(4), 1029–1037. Retrieved from https://mail.econjournals.com/index.php/ijefi/article/view/1486