Browsing by Author Georgiev, Rumen
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| Preview | Issue Date | Title | Author(s) |
|---|---|---|---|
| 2021-03 | Comparison of service provision by the leaders in the world mobile communication services market | Georgiev, Rumen; Zhavoronkov, Volodymyr; Георгієв, Румен; Жаворонков, Володимир |