Study protocol of a randomized control trial on the effectiveness of improvisational music therapy for autistic children oleh A. C. Jaschke, C. Howlin, J. Pool, Y. D. Greenberg, R. Atkinson, A. Kovalova, E. Merriam, I. Pallás-Ferrer, S. Williams, C. Moore, K. Hayden, C. Allison, H. Odell-Miller, S. Baron-Cohen