DEVELOPING STUDENTS’ SPATIAL IMAGINATION IN THE TEACHING THE SUBJECT OF “DESCRIPTIVE GEOMETRY AND ENGINEERING GRAPHICS” WITH THE HELP OF MODERN COMPUTER GRAPHICS. IEJRD - International Multidisciplinary Journal [Internet]. 2020 Oct. 11 [cited 2025 Sep. 12];5(CONGRESS):7. Available from: http://iejrd.com/index.php/ /article/view/1178