| Identifer | oai:union.ndltd.org:DITED/urn:dited:bn:29309 |
| Date | January 2000 |
| Creators | Leitão, Maria Teresa Queirós Magno |
| Contributors | Avelar, Mário, 1956- |
| Publisher | Instituições portuguesas -- -Universidade Aberta |
| Source Sets | National Library of Portugal DiTeD ETD Repository |
| Language | Portuguese |
| Detected Language | Portuguese |
| Type | mastersthesis |
| Source | Porto |
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