| Identifer | oai:union.ndltd.org:UPSALLA/oai:DiVA.org:kau-4670 |
| Date | January 2009 |
| Creators | Junwei, Chen |
| Publisher | Karlstad University, Service Research Center |
| Source Sets | DiVA Archive at Upsalla University |
| Language | English |
| Detected Language | English |
| Type | Student thesis, text |
| Relation | Karlstad University Studies, 1403-8099 |
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