Разширено търсене
Автор да съдържа Donka Zhelyazkova
Сп И 50 м
Каталог "Статии" | Списания
How Passenger Transport is Developing in Bulgaria in the Conditions of a Dynamic Changing Environment?
(2024)
Donka Zhelyazkova
Сп И 50 м
Каталог "Статии" | Списания
The Development of Passenger Air Transport in an Environment of Dynamic Changes
(2022)
Donka Zhelyazkova
Сп И 50 м
Каталог "Статии" | Списания
The Symbiosis Between E-Commerce And Courier Services In Modern Conditions
(2025)
Donka Zhelyazkova