Dewi, V.E. 2023. The Effect of Application Middle Level Violin Textbooks on Violin Playing Skills in the Music Study Program, Faculty of Languages and Arts, Universitas Negeri Surabaya. Gondang: Jurnal Seni dan Budaya. 7, 1 (Jun. 2023), 58–69. DOI:https://doi.org/10.24114/gondang.v7i1.43805.