00658naa#a2200193#i#450# EN\\bibl\4245 /en/manage/index 20240921031120.6 2308-8877 20141113b2014####ek#y0engy0150####ca RUS RU Theoretical maps as a way learning of planimetry´s problems abstract Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 4 с. Journal article local Bondarenko T. Gubanova I. test.editorum.ru /en/manage/index