Cumulative record of speech skill acquisition
The book was designed so that an individual's progress could be traced throughout the period over which spoken language is developed. It provides a systematically ordered means of verifying when the various subskills of speech are mastered, and how long the mastery of each requires.
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| Format: | Book |
| Language: | Undetermined |
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Washington, D.C
Alexander Graham Bell
1978
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| Institutions: | Trung tâm Học liệu Trường Đại học Cần Thơ |
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