1.
RASTVORTSEVA, Svetlana and AMANALIEVA, Aizhan. The concept of technological proximity in the development of European Union national innovative systems. Bulletin of Geography. Socio-economic Series. Online. 29 March 2021. Vol. 51, no. 51, pp. 35-46. [Accessed 8 May 2025]. DOI 10.2478/bog-2021-0003.