Augmented Reality in Teaching Descriptive Geometry, Engineering and Computer Graphics -- Systematic Review and Results of the Russian Teachers' Experience - Voronina, Marianna V.; Tretyakova, Zlata O.; Krivonozhkina, Ekaterina G.; Buslaev, Stanislav I.; Sidorenko, Grigory G. (EURASIA Journal of Mathematics, Science and Technology Education, 2019)