B. Kovačič, “Questions for In-Depth Reflection and Improvement of Music Teaching (Appendix to Chapters 1−9)”, in Širjenje obzorij o poučevanju glasbe, B. Kovačič, Ed. University of Maribor Press, 2025, pp. 397–414. doi: 10.18690/um.pef.3.2025.63.