Pre-number and number concepts.
Contributors: South West Oxon Society for the Mentally Handicapped.
Series: Individual learning programmes -- 4
Publisher: South West Oxon Society for the Mentally Handicapped
Published: 1970
Place of publication: [Abingdon]
Language: eng
Number of pages: 16
Subjects: Number concept.; Perceptually handicapped children -- Education.
Notes: Cover title.