El fomento a los paquetes y medianos productores de minerales metalicos en Mexico 1983-1988
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| Format: | Tesis de licenciatura |
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MX
1993
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000190258 http://132.248.9.195/pmig2016/0190258/Index.html |