TY JOUR TI Assessment of the economic effect of integrating IoT solutions into digital platforms of the mineral-resource and fuel-and-energy sector of BRICS+ countries KW Internet of Things KW Industrial Internet of Things KW BRICS+ KW mineral-resource sector KW fuel-and-energy sector KW digital transformation KW economic effect KW digital platforms. JO Russian Journal of Management AU Pshichenko, D.V. PY 2026 IS 14 PB Publishing Center RIOR