Katharine Perera

Grammatical Differentiation between Speech and Writing in Children Aged 8 to 12.

Katharine Perera, K. Perera, 1985 .

The Assessment of Linguistic Difficulty in Reading Material

Katharine Perera, 1980 .

Children's writing and reading: Analysing classroom language

Katharine Perera, K. Perera, 1984 .

Language acquisition: Language acquisition and writing

Katharine Perera, K. Perera, 1986 .