Forecasting Methods as a Tool for Strategic Planning of Sustainable Development of an Agrarian Enterprise -- Development of a Model for System Management of the Regional Entrepreneurial Ecosystem Factors -- Achieving Sustainable Growth of the Grain Product Subcomplex Production on the Basis of the Formation and Development of the Integrated Structures -- Designing a Model of Cryptosecurity of Information in the System of Countering the Spread of COVID-19 -- Ensuring Economic Security and Sustainable Development of the Southern Region of Russia -- The Increase of Labour Efficiency and Innovative Regionalization in Russia -- The Development of Social and Industrial Infrastructure of the Agro-Industrial Complex as a Significant Indicator of the Sustainable Development of the Industry -- Informational and Analytical Support for the Sustainable Development of Agribusiness Enterprises -- Human capital development in rural areas from the standpoint of the Sustainable Development Goals (SDGs).