TY JOUR TI The business modeler. description, methods and systems for business modelling KW business process KW system KW business modeling KW optimization KW potential investor. JO Actual directions of scientific researches of the XXI century: theory and practice AU Kalitvin, P.. AU Popova, Y.N. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov