Thesis (PhD)-Open University. BLDSC no.DX219766.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/496966031 |
| Date | January 1999 |
| Creators | Humphrey, Judith Ann. |
| Publisher | [n.p.] , |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Source | Full text via Open Research Online Online version via the British Library Ethos service. Registration required on first visit. |
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