TY JOUR TI OT OUTSOURCING AS A TOOL FOR EFFECTIVE MANAGEMENT AND BUSINESS DEVELOPMENT KW IT outsourcing KW management KW efficiency KW digital transformation KW costs KW technologies KW competitiveness JO MOSCOW ECONOMIC JOURNAL AU Iskandaryan, G.H. AU Ivanova, D.S. AU Pisareva, M.A. AU Sardanovskaya, Y.S. PY 2025 IS 10 PB Electronic science