Autor(en) | Titel | Jahr |
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| Technology: A Second Level Course. Analogue and Digital Electronics | 1990 |
| Technology: A Third Level Course. Digital Telecommunications | 1990 |
| Technology: A Second Level Course. Analogue and Digital Electronics | 1990 |
| Technology: A Third Level Course. Digital Telecommunications | 1990 |
| Arts: A Third Level Course. War, Peace and Social Change in Europe 1900-1955 | 1990 |
| Technology: A Third Level Course. Digital Telecommunications | 1990 |
Machado, Leopoldo | SEAC-UNA | 1990 |
| Technology: A Third Level Course. Digital Telecommunications | 1990 |
| War, Peace and Social Change: Europe 1900-1955 | 1990 |
| Open University Statistics 1988 | 1990 |
| War, Peace and Social Change: Europe 1900-1955 | 1990 |
| War, Peace and Social Change: Europe 1900-1955 | 1990 |
| War, Peace and Social Change: Europe 1900-1955 | 1990 |
| War, Peace and Social Change: Europe 1900-1955 | 1990 |
| War, Peace and Social Change: Europe 1900-1955 | 1990 |
| War, Peace and Social Change: Europe 1900-1955 | 1990 |
Lampikoski, Kari | Andhra Pradesh Open University | 1990 |
| Review 1989/90 | 1990 |
Freake, Stuart | Collaboration in Course Production | 1990 |
| Technology: A Second Level Course. Analogue and Digital Electronics | 1990 |