Tweedehands studieboeken Technicus engineering
| Albeda College Rotterdam | 1 |
| Deltion College | 11 |
| ROC Friese Poort | 2 |
| Noorderpoortcollege | 22 |
| ROC van Amsterdam | 10 |
| Summa College | 7 |
| ROC Flevoland | 2 |
| ROC van Twente | 6 |
| Alfa College | 6 |
| Drenthe college | 6 |
| ROC Zadkine | 2 |
| ROC de Leijgraaf | 4 |
| Friesland College | 4 |
| ROC Mondriaan | 67 |
| Hoornbeeck College | 44 |
| NTI | 13 |
| MBO Utrecht | 10 |
| Landstede | 4 |
