The formative evaluation of the Ontario Crippled Children's Centre Symbol Communication Program
By: H. Silverman.
Contributors: Ontario. Ministry of Education.
Publisher: s.n.]
Published: 1976
Place of publication: [Toronto
Language: eng
Number of pages: 310
Subjects: Ontario Crippled Children's Centre. -- Symbol Communication Program.; Pasigraphy.
Notes: "Funded under contract by the Ministry of Education, Ontario."

Bibliography: leaves 110-115.