00476naa#a2200181#i#450# EN\RIOR\bibl\13462 20200926000312.6 2409-6024 20161102b2016####ek#y0engy0150####ca RUS RU Food security of a region: essence, factors, criteria Article Moscow Publishing Center RIOR 2016 5 с. Article local Kugusheva T Karmazin S riorpub.com