00649naa#a2200193#i#450# EN\INFRA-M\bibl\37672 20241223073653.1 2500-3291 20200522b2020####ek#y0engy0150####ca RU Development of the management concept in the 2000s and prospects for their use in modern crisis conditions Journal article Moscow INFRA-M Academic Publishing LLC. 2020 12 с. Journal article local Экономика. Экономические науки. 33 Tebekin A. V. Tebekin P. A. Egorova A. A. zh-szf.ru