Improving Concentration
Edición de la obra Improving concentration
| Autor | Ian Maynard, National Coaching Foundation |
|---|---|
| Editorial | Coachwise Ltd |
| Fecha de publicación | December 31, 1998 |
| Formato | Paperback |
| ISBN-13 | 9781902523019 |
| ISBN-10 | 1902523016 |
| OCLC | 40280855 |
| Número de Cutter | M471i |