TY JOUR TI DEVELOPMENT OF ROLLING BUDGETING MODEL IN BUSINESS EFFICIENCY MANAGEMENT SYSTEM KW budgeting system KW periodic budgeting KW the sliding plans KW planning KW process KW period JO Austrian Journal of Humanities and Social Sciences AU SOKOLOV, A.U. AU VALEEVA, T.T. PY 2020 IS 2020 PB Premier Publishing s.r.o.