TY JOUR TI RISK MANAGEMENT ON THE OPERATIONAL STAGE OF INVESTMENT PROJECTS IN THE REFINING INDUSTRY KW oil-refining industry KW investment project KW operational stage KW risk KW damage KW risk management JO Austrian Journal of Humanities and Social Sciences AU Nurgaleyeva, K.. AU Tasmukhanova, A.. PY 2017 IS 2017 PB Premier Publishing s.r.o.