Point systems and awards the guidance, stimulation and limitation of pupil participation
| Huvudupphovsman: | |
|---|---|
| Materialtyp: | Bok | 
| Språk: | English | 
| Publicerad: | New York
          A.S. Barnes and company, incorporated
    
        1930. | 
| Serie: | The Extra curricular library | 
| Ämnen: |