1. Acarlar, F., & Johnston, J. (2010). Turkish-SALT: Computer assisted language sample analysis. Communication disorders in Turkish (pp. 119–136). Bristol: Multilingual Matters.
2. Creswell, J. W., & Creswell, J. D. (2017). Research design: Qualitative, quantitative, and mixed method approaches (5th ed.). London: SAGE.
3. Doggett, R. A., Krasno, A. M., Koegel, L. K., & Koegel, R. L. (2013). Acquisition of multiple questions in the context of social conversation in children with autism. Journal of Autism and Developmental Disorders, 43(9), 2015–2025. https://doi.org/10.1007/s10803-012-1749-8.
4. Dotto-Fojut, K. M., Reeve, K. F., Townsend, D. B., & Progar, P. R. (2011). Teaching adolescents with autism to describe problem and request assistance during simulated vocational tasks. Research in Autism Spectrum Disorders, 5(2), 826–833. https://doi.org/10.1016/j.rasd.2010.09.012.
5. Fredeen, R. M. (2005). Increasing initiations towards peers in children with autism using pivotal response training and collateral gains in quality of initiations. Unpublished doctoral dissertation. Santa Barbara: University of California.