154.4 کار و فناوری
| Materyal türü | Basma eser |
| Dil | Farsça |
| Kurum | Internet Archive |
| Kaynak | Internet Archive |
| Not | 154.4 کار و فناوری |
154.4 کار و فناوری, Internet Archive, https://archive.org/details/154.4.
| Materyal türü | Basma eser |
| Dil | Farsça |
| Kurum | Internet Archive |
| Kaynak | Internet Archive |
| Not | 154.4 کار و فناوری |
154.4 کار و فناوری, Internet Archive, https://archive.org/details/154.4.