Point systems and awards the guidance, stimulation and limitation of pupil participation
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York
A.S. Barnes and company, incorporated
1930.
|
| Saila: | The Extra curricular library
|
| Gaiak: |