00609naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200012700094210005800221215001000279608002700289675006600316700003600382856002100418EN\\bibl\4266920240503181637.5##a2073-5537##a20210318b2021####ek#y0engy0150####ca##aRU1#aCompetencies diversification in COVID-19 pandemic conditions (case of congress-exhibition service market)eJournal article1#aAstrakhancAstrakhan State Technical Universityd2021##a8 с.##aJournal article2local##aЭкономика. Экономические науки. 33#1aManenkovgSergey Aleksandrovich4#avestnik.astu.org