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2. Bauman-Waengler, J. (2000). Articulatory and phonological impairments: A clinical focus. Needham Heights, MA: Allyn & Bacon.
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5. Bradshaw, M. L. (1996). The efficacy of scaffolding strategies in holistic language intervention on language and phonologically delayed children. Unpublished doctoral dissertation, Louisiana State University, Baton Rouge.