Showing 540 results
Subjects| Subjects term | Scope note | Archival description count | Authority record count |
|---|---|---|---|
| Energía | 5 | 0 | |
| Construcción | 9 | 0 | |
| Industrialización | 7 | 0 | |
| Petróleo | 1 | 0 | |
| Planificación | 18 | 0 | |
| Cibernética | 2 | 0 | |
| Suelos | 2 | 0 | |
| Salud | 7 | 0 | |
| Ciencia | 3 | 0 | |
| Zonificación | 2 | 0 |