TY JOUR TI Improving the life cycle of information systems for small and medium business KW life cycle KW information system KW information technology KW design stages KW small and medium-sized business KW IS modeling techniques KW IS models KW standards KW model KW design KW business process JO Servis Plus AU Shlapak , V.. AU Teodorovich, N.. PY 2015 IS 9 PB Russian State University of Tourism and Service