Kostev, R. Geoeconomic Dimensions of Infrastructure Corridor № 9 to Improve Connectivity in the Eurasian Space. Sofia: Publishing Complex - UNWE, 2021 113-122,.
Kostev, R. Geoeconomic Dimensions of Infrastructure Corridor № 9 to Improve Connectivity in the Eurasian Space. Sofia: Publishing Complex - UNWE, 2021 113-122,.
Kostev, R. (2021) Geoeconomic Dimensions of Infrastructure Corridor № 9 to Improve Connectivity in the Eurasian Space, Sofia: Publishing Complex - UNWE 113-122,.
Kostev, R. (2021). Geoeconomic Dimensions of Infrastructure Corridor № 9 to Improve Connectivity in the Eurasian Space. Globalism, regionalism, security : Collection of Papers from International Scientific Conference 24-26 September 2020, Ravda, Bulgaria (с. 113-122). Sofia: Publishing Complex - UNWE.
Kostev R. Geoeconomic Dimensions of Infrastructure Corridor № 9 to Improve Connectivity in the Eurasian Space. Sofia: Publishing Complex - UNWE; 2021. p. 113-122.