Karpenko, Andrii, and Yulia Budytska. “Impact of Population Ageing on Human Resourcing of Ukrainian economy’s Innovative Development”. Management and Entrepreneurship: Trends of Development, vol. 4, no. 06, Dec. 2018, pp. 27-38, https://doi.org/10.26661/2522-1566/2018-4/06-03.