Ovcharenko, N. A. “THE SYSTEM OF KEY CONCEPTS OF RESEARCH OF THE PROFESSIONAL TRAINING OF THE FUTURE TEACHER ON THE MUSIC ART TO VOCAL AND PEDAGO0 GICAL ACTIVITIES”. Continuing Professional Education: Theory and Practice, no. 1-2 (October 27, 2019): 34–40. Accessed May 10, 2025. http://npo.kubg.edu.ua/article/view/186456.