TY JOUR TI ASSESSMENT OF COMPETITIVENESS FACTORS OF SEEDS OF GRAIN CROPS VARIETIES OF URAL SELECTION KW factor approach KW Economic assessment KW competitiveness KW technology KW structural analysis KW costs KW profitability KW classification KW motivation KW grain market JO Russian Journal of Management AU Semin, A.N. AU Mal'cev, N.V. AU Ceytlin, E.M. PY 2025 IS 13 PB Publishing Center RIOR