KOLA-BEZKA, Maria and KUZEL, Marcin. Global Cities and Multinational Enterprises: Integrating the Existing Concepts for Future Research Studies. Bulletin of Geography. Socio-economic Series. Online. 26 June 2023. No. 60, pp. 101-125. [Accessed 18 July 2024]. DOI 10.12775/bgss-2023-0018.