TY JOUR TI Professional orientation and independent work of students main components of improvement of quality of training of mathematics KW professional orientation KW independent work of students KW competence JO Actual directions of scientific researches of the XXI century: theory and practice AU Kartavaya, E.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov