Estudio al problema economico de la cuenca lechera del D.F.
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| Format: | Tesis de licenciatura |
| Published: |
MX
1951
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| Subjects: | |
| Online Access: | https://hdl.handle.net/20.500.14330/TES01000155612 http://132.248.9.195/pmig2020/0155612/Index.html |