其他書名 | A Concrete Approach for Elementary School Teachers |
出版 | Free Press, 1976 |
主題 | Education / Schools / Levels / ElementaryEducation / Teaching / Subjects / Mathematics |
ISBN | 00290227039780029022702 |
URL | http://books.google.com.hk/books?id=l3iAQgAACAAJ&hl=&source=gbs_api |