Thesis (Ph. D.)--Open University. BLDSC no. DX96406.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/496961947 |
| Date | January 1989 |
| Creators | Sim, Joe. |
| Publisher | n.p., |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
| Source | Full text via Open Research Online |
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