Thesis (Ph. D.)--Open University. BLDSC no. DXN039344.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/496966299 |
| Date | January 2000 |
| Creators | Williams, Helen Myfanwy. |
| Publisher | [n.p.], |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Source | Online abstract and access to full text (password required) |
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