| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| [Collecting Systems]: | 978-O-945323-O9-9 (O-945323-O9-3) | 2006 |
L.G. · Learning Group Pearson · LearningTree Group · Pearson Early Learning Group · Pearson Learning Group · Social Learning Group · The Continuous Learning Group