TY JOUR TI INDUSTRY MARKET ENTRY BARRIERS TYPING: ENVIRONMENTAL AND SOCIAL ASPECTS OF AGRI-FOOD SYSTEMS DEVELOPMENT KW food security KW agri-food policy KW a single integrated system KW transaction costs KW environmental and social barriers KW government regulation JO Vestnik of Kazan State Agrarian University AU Shumakova, O.V. AU Kryukova, O.N. PY 2025 IS 20 PB Kazan state agrarian University