Ulmer R., Sellnau T., Sidzher M. Jeffektivnaya krizisnaya kommunikaciya. In Russian/ Ulmer P., Sellnau T., Sidzher M. Effective Effective communication. In Russian, Kharkiv - landofmagazines.com

TransliterationUlmer R., Sellnau T., Sidzher M. Jeffektivnaya krizisnaya kommunikaciya. In Russian

In EnglishUlmer P., Sellnau T., Sidzher M. Effective Effective communication. In Russian, Kharkiv

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