00621naa#a2200181#i#450# EN\INFRA-M\bibl\46149 20240523051755.4 2306-627X 20211018b2021####ek#y0engy0150####ca RU Implementation of Mathematical Modeling Tools for Analysis of Economic Processes and Forecasting of Expenses Journal article Moscow INFRA-M Academic Publishing LLC. 2021 5 с. Journal article local Экономика. Экономические науки. 33 Kulyasova A. Bondarev V. M. naukaru.ru