Ekwall, E. E., & Shanker, J. L. (1993). Locating and correcting reading difficulties.
Chicago Edition CitationEkwall, Eldon E., i James L. Shanker. Locating and Correcting Reading Difficulties. New Jersey, Prentice Hall, 1993.
Cita MLAEkwall, Eldon E., i James L. Shanker. Locating and Correcting Reading Difficulties. 1993.
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