J R Johnston

Mental rotation abilities in language-disordered children.

J. Johnston, S. E. Weismer, J R Johnston, 1983, Journal of speech and hearing research.

Acquisition of locative meanings: behind and in front of.

J R Johnston, 1984, Journal of child language.

Spoken and written language relationships in language/learning-impaired and normally achieving school-age children.

R B Gillam, J. Johnston, R. Gillam, 1992, Journal of speech and hearing research.

Development of print awareness in language-disordered preschoolers.

R B Gillam, J. Johnston, R. Gillam, 1985, Journal of speech and hearing research.