TY JOUR TI Methodology of End-to-End Accounting of Services: from Electronic Document to Operational Cost Calculation KW accounting automation KW accounting for services KW FSBI 27/2021; end-to-end analytical sections KW cost of services KW electronic document management JO Auditor AU Azzheurova, K.E. AU Gritsyna, Y.Y. PY 2025 IS 11 PB INFRA-M Academic Publishing LLC.