LDR 00609naa#a2200169#i#450# 001 EN\\bibl\42669 005 20240503231959.5 011 ## _a2073-5537 100 ## _a20210318b2021####ek#y0engy0150####ca 102 ## _aRU 200 1# _aCompetencies diversification in COVID-19 pandemic conditions (case of congress-exhibition service market) _eJournal article 210 1# _aAstrakhan _cAstrakhan State Technical University _d2021 215 ## _a8 с. 608 ## _aJournal article _2local 675 ## _aЭкономика. Экономические науки. 33 _z 700 #1 _aManenkov _gSergey Aleksandrovich 856 4# _avestnik.astu.org _u