TY JOUR TI Digitalization of procurement outsourcing in the Russian Federation: realities and prospects KW digitalization KW procurement outsourcing KW procurement activity KW digital platforms KW artificial intelligence KW robotic process automation KW ESG principles KW supply chains KW digital economy JO JOURNAL OF MONETARY ECONOMICS AND MANAGEMENT AU Levkina, A.S. PY 2026 IS 0 PB ITBO University