ARITHMETIC IN A MASSACHUSETTS INDUSTRIAL SCHOOL.
Autor: | Dooley, W. H. |
---|---|
Zdroj: | School Science & Mathematics; Mar1911, Vol. 11 Issue 3, p246-249, 4p |
Databáze: | Complementary Index |
Externí odkaz: |
Autor: | Dooley, W. H. |
---|---|
Zdroj: | School Science & Mathematics; Mar1911, Vol. 11 Issue 3, p246-249, 4p |
Databáze: | Complementary Index |
Externí odkaz: |