1. Adams, M. (1990). Beginning to read: Thinking and learning about print. Cambridge, MA: MIT Press.
2. American Speech–Language–Hearing Association. (1993, October). Guidelines for caseload size and speech–language service delivery in the schools. American Speech–Language–Hearing Association, 35, 33–39.
3. American Speech–Language–Hearing Association. (2000). Schools survey—Special reports: Caseloads. [Electronic data tape]. Rockville, MD: American Speech–Language–Hearing Association.
4. Does phoneme awareness training in kindergarten make a difference in early word recognition and developmental spelling?;Ball;Reading Research Quarterly,1991
5. Developing phonological awareness and word recognition skills: A two-year intervention with low-income inner-city children;Blachman;Reading and Writing: An Interdisciplinary Journal,1999