00627naa#a2200169#i#450# EN\\bibl\3105 20240913004939.5 2308-8877 20140617b2014####ek#y0engy0150####ca RUS RU Professional orientation and independent work of students main components of improvement of quality of training of mathematics Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 2 с. Journal article local Kartavaya E. naukaru.ru