Tweedehands studieboeken Commercie
| ROC Aventus | 14 |
| Deltion College | 25 |
| ROC Friese Poort | 2 |
| Het Graafschap College | 1 |
| Horizon College | 7 |
| ROC van Amsterdam | 46 |
| ROC Midden Nederland | 10 |
| Summa College | 1 |
| ROC Nijmegen | 2 |
| ROC Nova College | 9 |
| ROC van Twente | 18 |
| ROC Zadkine | 14 |
