Dubey, Yuliya. 2020. “Theoretical and Methodological Approaches to Periodization of Technical and Technological Development”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism, no. 12 (December), 105-12. https://doi.org/10.26565/2310-9513-2020-12-10.