Infoteca central de la Universidad Autonoma de Coahuila Unidad Saltillo
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| Format: | Tesis de licenciatura |
| Language: | Español |
| Published: |
2003
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000319523 http://132.248.9.195/ppt2002/0319523/Index.html |