1. J. St George THE SUBJECTIVITY OF MUSICAL LEARNING: UNDERSTANDING PARTICIPATION IN INSTRUMENTAL MUSIC INSTRUCTION (2010). https://doi.org/10.13140/RG.2.2.14076.44163. 10.13140/RG.2.2.14076.44163
2. J. St George THE SUBJECTIVITY OF MUSICAL LEARNING: UNDERSTANDING PARTICIPATION IN INSTRUMENTAL MUSIC INSTRUCTION (2010). https://doi.org/10.13140/RG.2.2.14076.44163.
3. ABRSM : Preface, (n.d.). https://gb.abrsm.org/en/making-music/preface/ (accessed March 30, 2022 ). ABRSM: Preface, (n.d.). https://gb.abrsm.org/en/making-music/preface/ (accessed March 30, 2022).
4. A.C. Eli , Platforma de educatie muzicală „Yousician ” / “Yousician” - Music Education Platform , (n.d.) 5. A.C. Eli, Platforma de educatie muzicală „Yousician” / “Yousician” - Music Education Platform, (n.d.) 5.
5. K. Rogers , M. Weber , A. Röhlig , M. Weing , J. Gugenheimer , B. Könings , M. Klepsch , F. Schaub , E. Rukzio , T. Seufert , P.I.A.N. O. : Faster Piano Learning with Interactive Projection , in: Proceedings of the Ninth ACM International Conference on Interactive Tabletops and Surfaces - ITS ’14 , ACM Press, Dresden, Germany , 2014 : pp. 149– 158 . https://doi.org/10.1145/2669485.2669514. 10.1145/2669485.2669514 K. Rogers, M. Weber, A. Röhlig, M. Weing, J. Gugenheimer, B. Könings, M. Klepsch, F. Schaub, E. Rukzio, T. Seufert, P.I.A.N.O.: Faster Piano Learning with Interactive Projection, in: Proceedings of the Ninth ACM International Conference on Interactive Tabletops and Surfaces - ITS ’14, ACM Press, Dresden, Germany, 2014: pp. 149–158. https://doi.org/10.1145/2669485.2669514.