Tweedehands studieboeken Elektrotechniek
| Summa College | 3 |
| ROC Flevoland | 9 |
| ROC Nijmegen | 8 |
| ROC van Twente | 10 |
| ROC Ter AA | 1 |
| Leeuwenborgh opleidingen | 5 |
| Avans Hogeschool | 62 |
| Alfa College | 13 |
| NHL Stenden Hogeschool | 9 |
| Friesland College | 10 |
| ROC Mondriaan | 13 |
| Citaverde College | 1 |
| Hogeschool NCOI | 27 |
| Hoornbeeck College | 67 |
| NTI | 23 |
| MBO Amersfoort | 10 |
| ROC Rijn IJssel | 2 |
