Signing made easy a complete program for learning sign language, includes sentence drills and exercises for increased comprehension and signing skill
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| 格式: | 圖書 | 
| 語言: | English | 
| 出版: | New York
          Putnam
    
        c1989. | 
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| 其他作者: | |
| 格式: | 圖書 | 
| 語言: | English | 
| 出版: | New York
          Putnam
    
        c1989. | 
| 主題: |