TY JOUR TI INCREASING THE EFFICIENCY OF ENTERPRISES OF RETAIL TRADE NETWORKS BASED ON THE MODELING BUSINESS PROCESSES KW business process KW trading process KW rules KW block trading-technological process KW evaluation sheet KW turnover KW costs KW economic efficiency KW profit KW enterprise JO Services in Russia and abroad AU Oborin, M.S. AU STARIKOVA, L.N. PY 2018 IS 11 PB Russian State University of Tourism and Service