Kisiel, Mirosław Włodzimierz. “Elementary Music Education in the Era of Remote Teaching – Constraints and Prospects for Development”. International Journal of Research in E-learning 6, no. 2 (December 29, 2020): 1–14. Accessed December 5, 2025. https://journals.us.edu.pl/index.php/IJREL/article/view/9767.