DUBNIUK, V. L.; KOTLYAROV, V. P.; ROMANENKO, V. V.; KOZYREV, O. S. STUDENTS ENGAGING IN SCIENTIFIC AND TECHNICAL CIRCLES IS THE WAY TO IMPROVE DESIGN TRAINING. Bulletin of Sumy National Agrarian University. The series: Mechanization and Automation of Production Processes, n. 3 (45), p. 3-9, 30 Sep. 2021.