| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:86212 |
| Date | January 1991 |
| Creators | Gudeta, Wakjira |
| Source Sets | Czech ETDs |
| Language | English |
| Detected Language | English |
| Type | info:eu-repo/semantics/doctoralThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
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