TY JOUR TI TERRITORIAL DIFFERENTIATION OF AREAS AMUR REGION AT SELF-SECURITY LEVEL FOOD KW region KW food security KW food security doctrine KW self-sufficiency index KW actual consumption KW norma-tive consumption KW self-sufficiency level KW population KW food KW own production KW territorial differen-tiation JO INTERNATIONAL AGRICULTURAL JOURNAL AU Rodomanskaya, S.. PY 2018 IS 1 PB Electronic science