References
- Goldman, R., & Fristoe, M. (2000). Goldman-Fristoe test of articulation-second edition (GFTA-2). New York: Pearson Education Inc.
- Kummer, A. W. (2020). Cleft palate and craniofacial conditions: A comprehensive guide to clinical management (4th ed.). Burlington, MA: Jones & Bartlett Learning.
- Secord, W. A., Boyce, S. E., Donohue, J. S., Fox, R. A., & Shine, R. E. (2007). Eliciting sounds: Techniques and strategies for clinicians (2nd ed.). Boston: Delmar Cengage Learning.
- Van Riper, C. (1978). Speech correction: Principles and methods (6th ed.). Englewood Cliffs, NJ: Prentice-Hall.