The psychology of number and its applications to methods of teaching arithmetic QA135 .M1.
| मुख्य लेखकों: | , |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
New York
D. Appleton
1895.
|
| मुख्य लेखकों: | , |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
New York
D. Appleton
1895.
|